Service Bulletins - TOC
CESSNA 206 TURBINE · Service Bulletins
Overview
This document is a compilation of service bulletins for the Cessna 206 aircraft, detailing various issues, inspections, and modifications that have been identified over the years. It serves as a reference for maintenance personnel and pilots to ensure the continued airworthiness and safety of the aircraft. The bulletins cover a range of topics from structural inspections to component replacements and modifications, providing essential information for compliance and safety checks. Each bulletin includes a unique number, issue date, and a brief description of the subject matter, allowing for easy navigation and reference.
- Service bulletins are crucial for maintaining the airworthiness of the Cessna 206.
- Regular inspections of critical components like turnbuckles and fuel pipes are essential for safety.
- Defective parts, such as rudder bar beams and elevator trim system components, must be addressed promptly.
- Each bulletin provides specific instructions for inspections and modifications to enhance aircraft safety.
- Compliance with these service bulletins is necessary for regulatory adherence and operational safety.
Document
Source
Originally published by britten-norman.com. Sprinkle hosts a reference copy with an added summary, specifications and searchable full text.
Document details
- Type
- Service Bulletins
- Year
- 2021
- Pages
- 10
- File size
- 56 KB
- Publisher
- britten-norman.com
Most owners only have the POH. Here's the essential set for the CESSNA 206 TURBINE.
- Pilot's Operating Handbook / AFM
- Checklist
- Maintenance Manual
- Parts Catalog (IPC)
- Systems & Wiring
- Service Bulletins
- Type Certificate (TCDS)
Free — save the 206 (turbine) to your watchlist and track it in one place.
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In this document
Pilot and Passenger Seat Cushion Supports
Bulletin 5, issued on November 21, 1968, addresses the supports for pilot and passenger seat cushions, outlining necessary inspections and modifications.
Fuel Pipe Between Engine Driven Pump and Carburettor
Bulletin 11, dated February 24, 1969, discusses the inspection and potential replacement of the fuel pipe connecting the engine-driven pump to the carburettor.
Inspection of Turnbuckles in Aileron, Rudder and Nose Wheel Steering Control Systems
Bulletin 15, issued on April 16, 1969, emphasizes the importance of inspecting turnbuckles in critical control systems to ensure operational safety.
Rudder Bar Beam Defects
Bulletin 20, dated November 17, 1969, highlights defects found in the rudder bar beam and outlines corrective actions.
Elevator Trim System Final Drive Lever - Defective Attachment Lugs
Bulletin 24, issued on January 8, 1970, addresses issues with the elevator trim system's final drive lever, specifically focusing on defective attachment lugs.
Safety notes
- Inspect critical control systems regularly to prevent failures.
- Address any defects in structural components immediately to ensure safety.
Full document text
SB No Issue Date Subject Field Service Information Service Bulletins - TOC Service Bulletins - Table of Contents Volume 1 5 4 1968-11-21 Pilot and Passenger Seat Cushion Supports 11 2 1969-02-24 Fuel Pipe Between Engine Driven Pump and Carburettor 15 1 1969-04-16 Inspection of Turnbuckles in Aileron, Rudder and Nose Wheel Steering Control Systems 20 2 1969-11-17 Rudder Bar Beam Defects 24 2 1970-01-08 Elevator Trim System Final Drive Lever - Defective Attachment Lugs 27 1 1970-02-12 Inspection of Tail Plane Front Spar Attachments 28 1 1970-02-12 Fire Hazard in Carburettor Air Boxes 29 1 1970-02-23 Loose Pop Rivets in Wing Leading Edges 36 3 1972-11-28 Inspection of Flap Operating Lever and Flap Attachments 44 3 1972-01-31 Loose Jo-Bolts in the Engine Mounting Frame Attachment Bolts 49 3 1980-02-25 Inspection of Elevator, Elevator Trim Tab, Trim Tab Drive Circuits and Attachments 56 2 1978-02-13 Rudder Bar Failure 60 1 1972-12-18 Rear Spar Cracks at Fuel Contents Unit 61 5 1981-12-09 Defects in Upper Mounting Brackets For Wing Mounted Engines 62 1 1973-06-22 Rudder Trim Jack Lower Mounting Bracket 63 1 1973-08-03 Flap Hinge Attachments 64 1 1973-08-03 Introduction of Sangamo Weston Flap Indicators 66 1 1973-08-03 6 Deg Droop Flap Micro-Switch Setting 67 1 1973-10-24 Improved Aileron Mass Balance Attachment 68 1 1973-11-09 Sangamo Weston Tachometers Part No. S128.5.139 69 1 1973-11-09 Inspection and Strengthening of Flight Compartment Seat Backs 70 2 1985-05-14 Defective Flap Drive Pick-up Brackets 74 2 1976-04-07 Rudder Bar Lower Mounting - Defects 75 1 1974-06-27 Renewal of Elevator Trim Tab Cables with Cables Part No. NB-45-B-2745; NB-45-B-2747 and NB-45-B-2749 76 4 1975-02-04 Top, Centre and Bottom Rudder Hinge Brackets - Defects 81 1 1974-12-19 C.A.A. Airworthiness Notice 82 85 1 1975-07-14 Duplication of Electric Power Supply to Audio System 89 2 1977-07-18 Torque Tightening of Bolts and Defects in Undercarriage Lower Bracket 93 1 1976-06-11 Propeller Blade Shank Failure - Rear Engine 95 5 2001-08-14 Air Intake Hose Inspection IO-540-K1B5 Engines 96 1 1977-05-12 Introduction of Talley Corp. Flap Actuator as Replacement For Edo-Aire Type 102 1 1977-05-12 Cracking of Rudder Stop Structure 103 1 1977-02-14 Engine Tachometer Calibration Page 1 Issue 65 21/12/2021 SB No Issue Date Subject Field Service Information Service Bulletins - TOC 106 1 1977-07-18 Fracture of Nose Wheel Steering Driving Ring Lugs 107 1 1977-07-18 Installation of Weldon Fuel Pump A 10050-D 109 3 1979-03-05 Reinforcement of Teleflex Conduit Swivel Bracket Attachment on Propeller and Engine Controls 110 1 1977-10-17 Introduction of Airborne MFG Co. De-icing Pump With Strengthened Attachment Flanges 111 2 2002-04-01 Examination of the Left and Right Rudder Bar Pillar and Slider Tube Assemblies 113 3 1988-12-07 Elevator Mass Balance Defect 120 1 1978-09-25 Inspection of Tail Plane Attachment Bracket and Surrounding Structure at Rear of Pod 122 1 1978-12-15 Chafing of Fuel Feed Pipe Between Engine Driven Pump and Injector 123 1 1978-12-15 Cracks in Front Fuselage Keel Members at Joint with Front Bulkhead - Frame 19 (Islander) Frame 29.95 (Trislander) 128 1 1979-04-10 Replacement of 20SWG (0.036" Thick) Rudder Bar Pillar/Slider Tube Assemblies at First Pilot's Position 131 2 1985-05-14 Loose Rivets and Damage to Tailplane Skin and Structure Extending From Root and Leading Edge Out Towards Tips and Rearwards to Spars 139 1 1980-01-29 Retention of Internal Support Ring for Main U/C Shock Absorber Within U/C Leg Extension Tube 141 1 1980-01-29 Modified Fuel Pump Cooling Shroud for Engine Installation with Alternative Fuel Pump 142 4 1986-01-22 Elevator Trim Tab Defects 144 1 1980-07-10 Cracking of Hot/Cold Air Shutter in Carburettor Air Box 147 1 1980-12-31 Ball End in Elevator Trim Jack 150 2 1981-10-26 Fatigue Safe Life Limits For The Wing, Fuselage Spar Frames, Main Undercarriage Extension Tubes, and Long Life Inspections For Major Structural Components 154 2 1985-05-14 Damage to Wing Tip Tank Fuel Contents Transmitter Floats 155 7 2013-04-15 Cancellation of Obsolete Service Bulletins 156 1 1983-03-14 Changes to Collins AP107 Autopilot System Installed Under Modification NB- M-911 in Conjunction with Modification NB-M-1117 157 1 1983-03-14 Wing Tip Fuel Tank Controls - Improved Operational Features 158 1 1983-08-30 Introduction of Alternative Type Voltage Regulators to Replace Units No Longer Available 162 1 1984-04-30 Landing Lamp Selection Switches - Premature Failure 163 1 1984-04-30 Pilot's Individual Sliding Seats - Possible Failure of Seat Backs 165 2 1985-05-14 Engine Speed Sensors - Introduction of Alternative Components 166 2 1987-01-30 Pilot's Adjustable Seat Units - Including Individual Sliding Seats - Inadvertent Folding Movement of Seat Backs 169 1 1985-08-30 Deterioration of Induction Air Filters in Carburettor/Injector Air Intake Systems 172 2 1986-06-02 Engine Vibration Isolators Manufactured by Barry Controls - Inspection of Brackets and Elastomers For Cracking and Deterioration 175 1 1986-09-29 Water Ingress Into Magnetos 176 1 1986-09-29 Fluctuating and/or Inaccurate ASI Readings - Possible Obstructions in Pitot Heads 177 1 1986-11-24 Fuel Feed Pipes to Rear Engine - Possible Chafe Under Fin Leading Edge Page 2 Issue 65 21/12/2021 SB No Issue Date Subject Field Service Information Service Bulletins - TOC 178 2 1991-02-08 Methods of Compliance with Allison TP-CEB-1190 in Conjunction with PBN Mod NB-M-1292 180 1 1987-01-30 Cabin Heat and Cold Air Slide-Bar Controls - Magnetization 181 1 1987-07-20 Hand Turning of Propellers on Avco Lycoming Piston Engines 183 2 1988-12-07 Revised Scale Markings on TGT (TOT) Indicators 187 1 1989-12-01 Potential Failure of Undervoltage Sensor Part No NB-81-3697 (Issue 1 to 5 incl) 190 3 1997-03-01 Corrosion Affecting Primary Structure - Continued Airworthiness of Ageing Aircraft in General Aviation Use Page 3 Issue 65 21/12/2021 SB No Issue Date Subject
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Field Service Information Service Bulletins - TOC Page 4 Issue 65 21/12/2021 SB No Issue Date Subject Field Service Information Service Bulletins - TOC Volume 2 191 2 1993-11-11 Product Improvement - Additional Rivets in Main Undercarriage Attachment Flange for Shock Absorbers 192 1 1990-05-04 Elevator Tip Fairing Rib - Stiffened Attachments 193 1 1990-04-11 BN2T Power Plant Ice Protection System - Automatic Selection of Engine Igniter 194 1 1990-04-11 Introduction of a Resistor in the Generator Field Circuit 195 1 1990-05-04 Vacuum/Dry Air Pumps - Low Service Life 197 1 1991-02-08 Nose Undercarriage Unit Mounting - Improved Support Structure 198 1 1991-02-08 Propeller De-Icing Harness - Improved Service Life 199 1 1991-02-08 Cracking of Tailplane Front Attachment Brackets 200 1 1991-02-08 Cracking of Undercarriage Top Block Support Structure 202 1 1991-06-14 Possible Accidental "Short-Circuit" at Rear of Pilot's Switch Panel - Preventative Measures 205 1 1991-06-14 Improved Starter Isolation Contactor Control 206 2 1992-11-30 Preference Between Tyres and Brake Units on Parker Hannfin (Cleveland) Main Wheels 207 1 1992-11-30 Improved Main Fuse Installation (F69 & F70) 211 1 1993-08-05 Intake Heat Label on IO-540 Engined Islanders 212 1 1993-08-05 Chelton Antenna Type 21-4B, Corrosion 214 2 1999-03-01 Nosewheel Steering Drive-Ring Cracks 217 1 1994-09-30 Century Autopilot System Elevator Trim Cable Splice - Wear and/or Fraying 218 1 1995-05-26 Control Cable Swivel Unit Mounting Bracket Failure 219 2 1994-11-30 Introduction of 'Invalid ILS' Warning Lamp and 'Area Nav' Status Lamp 220 1 1994-11-30 Audio Matching Unit-Enhanced Performance 222 1 1994-11-30 Replacement Combustion Monitor Thermocouple 223 1 1995-06-19 Rudder Control Cables, Incorrect Assembly 228 2 1996-01-17 70 Amp DC Generation System, Replace Type 10B1 or 10D1 Diodes 229 1 1996-10-17 Mod NB-M-256 50A Generator System - Generator Inspection 230 2 2001-09-17 Allison 250 B-17C Engine CEB 1291 Py Tube Removal - Routing of the Fire Sensor 231 2 1997-10-01 Introduction of Mod NB-M-1577 - Main Landing Gear, Torque Loading of Attachment Bolts 232 1 1996-05-29 Wingtip Fuel Tank System (Modification NB-M-364), Additional Operating Instructions 234 2 1997-09-01 IO-540 and O-540 Lycoming Engines - Recall of Piston Pin, Part No. LW-14077 235 1 1997-10-01 Examine and Repair the Nacelle Box Structure at the Bottom Fitting of the Main Landing Gear 236 1 1997-02-15 Brake Model 30-66D Torque Plate - Inspect/Replace/Re-Identify Assembly 237 1 1997-10-01 Wing Spar Caps - Inspection 238 1 1997-02-15 Main Landing Gear - Cancellation of the APPH Service Bulletin 32-277 Page 5 Issue 65 21/12/2021 SB No Issue Date Subject Field Service Information Service Bulletins - TOC 239 1 1997-12-15 Main-Landing-Gear Torque Links - Modification of the Center Hinge Joint 240 1 1999-03-01 Installation of MOD NB-M-1648 - Rudder Lower Hinge Doubler 241 1 2000-07-01 VHF Comms Antenna Plate - Examine and Repair 242 1 1999-03-01 Oil Tank Bracket - Examine 243 2 2002-01-30 Control Column Sliding-Tube - Examine 245 1 2000-12-01 Modification NB-M-1646, Elevator Trim Cable-Guards - Installation 249 1 1998-12-01 Nose Landing Gear Assembly 3501H2 and 3811H2, Chrome Plating - Examine 250 2 1998-12-01 Propeller and Engine-Intake Anti-ice Systems - Inspection and Modification 251 2 2002-01-30 Examine the Flap Shroud Skins and Rib Assemblies for Cracks 252 1 1998-12-01 Fuel Injection Servos - Repair 253 3 2002-01-30 Propellers - Hub Inspection 254 2 2000-07-01 Fuel Pump - Torque Tighten Relief-Valve Cover Screws 255 1 1998-12-01 Engine Magneto Impulse-Coupling - Inspection 257 1 1998-12-01 Engine, Fuel and Control - Allied Signal (Bendix) Fuel Control Unit and Power Turbine Governor - Internal Spring Replacement 258 2 1999-06-30 Year 2000 and Similar Time/Date Related Anomalies and Their Effect on Systems Installed in Islander and Trislander Aircraft 259 1 2000-07-01 Elevator Outboard-Hinge, Inboard-Bracket - Inspection and Replacement 261 1 2002-10-18 RFD Service Bulletin BE515-25-72 - Perform Tests on the BE515 (Sarbe 6) Location Beacon 262 1 2002-10-18 RFD Service Bulletin SARBE7-25-73 - Examine Sarbe 7 Antenna 264 1 2002-10-18 Textron Lycoming Service Bulletin No 533A - Recommendations Regarding Accidental Engine Stoppage 267 1 2003-02-01 Hartzell Propeller Service Letter HC-SL-61-184 - Propellers - Lubrication Procedures 268 1 2002-10-18 Hartzell Propeller Service Letter HC-SL-61-185 - Propellers - Tachometers 269 1 1999-12-01 TEXTRON Lycoming Service Bulletin No. 540 - Valve Seat Inspection 270 1 2003-02-01 Rolls-Royce Alert Commercial Service Letter 1170 - Model 250 Engine, Cautions for Change in Engine Noise 271 1 2000-07-01 Pitot-Static Pressure Head Drain Holes - Clear and Clean 272 4 2004-01-12 Throttle Friction Adjuster - Inspection 273 6 2005-10-10 Inspection of Oleo Attachment Brackets (NB-40-0075) at the Bottom of the Main Landing Gear Tube and the Installation of New Steel Brackets (NB-40-0479) 274 1 2000-08-01 Removable Access Panels 275 3 2003-02-01 Inspection of Engine Mounting Brackets 276 1 2000-12-01 Alternative Vacuum Hose Assembly 277 1 2001-08-03 Emergency Exit Window Sealant 278 1 2001-11-01 Flexible Hose Life 279 2 2002-10-18 Mainwheel Assembly 40-90 and 40-90B - 164-02201 Brake Disc - Inspect/Replace 280 1 2003-05-01 The Elimination of Component Parts That May Contain Asbestos Page 6 Issue 65 21/12/2021 SB No Issue Date Subject Field Service Information Service Bulletins - TOC 281 1 2002-05-01 Cracking of Trislander Rear Engine Mounting Frame NB-51-H-1021 282 4 2004-01-12 Cracking of Turbine Engine Mounting Frame NB-20-6853 283 1 2002-03-01 Century 2000 Flight System Autopilot Computers - Intermittent Roll and Pitch Deviation 284 1 2002-05-09 Control Column Universal Joint - Supplies of Undersized Components 285 1 2002-06-27 Chelton Type 18-5 Antennas - Inspection 286 1 2003-07-01 Folding Passenger Seat Rear Frame - Inspection 287 1 2002-10-18 Hartzell Alert Service Bulletin HC-ASB-61-259 - Propeller - Hub Replacement 288 2 2003-07-01 Textron Lycoming - Crankshaft Gear Retaining Bolt Replacement 289 1 2003-02-01 Steering Cable Nut and Bolt Connection to Turnbuckle at Torque Shaft 291 1 2003-05-01 Inspection of Access Panel Bolts 292 1 2003-05-01 Control Rod to Elevator Trim Tab Lever Bolt Retainer 293 2 2004-01-12 Pneumatic De-icer Boot Bonding 294 1 2003-05-01 Textron Lycoming - Oil Pump Body Plug Inspection 295 1 2003-05-01 Loss of Communication 296 1 2003-07-01 Re-calculation of Battery Electrical Load Analysis 297 1 2003-05-01 Approved Tyres - Goodyear Flight Custom II and Flight Custom III Range 298 1 2003-07-01 Fatigue Lives of FHL Landing Gear Units 299 1 2003-07-01 VHF Communication KY 196B Transceiver - Modification of the ON/OFF Switch Circuit 300 1 2004-01-12 Control Surface Attachment Points - Inspection 301 3 2021-06-18 Fuel Pumps Approved For Use On Islander Aircraft 302 2 2005-04-12 Inspection of the Horizontal Stabiliser Attachment Plates, Bolts and Anchor Nuts 303 2 2004-11-01 Elevator Final Drive Control Rod - Examination 304 1 2005-04-12 Use of High Thermal Stability or Third Generation Oils 305 1 2006-03-01 Engine Co-ordinator Input Power and Condition Levers - Inspection 306 1 2005-04-12 Revised Nosewheel Tyre Pressure 307 1 2006-03-01 Flap Drive Lever Attachments - Inspection 309 1 2005-07-18 Greases Approved For Use on Islander and Trislander Aircraft 310 4 2015-09-25 Pitot/Static Pressure Head - Inspection and Test 311 2 2007-07-16 Fuel Control Unit - Inspection 313 3 2009-02-24 Elevator Tip Assemblies - Inspection 314 1 2008-09-25 Rudder Pedal Assemblies - Inspection 315 4 2015-10-29 All BN2T Turbine Series Islanders Fitted With Model 250 B17 Series Turbo- Prop Engines - Non Approval of Enhanced Power Turbines 316 1 2009-03-01 Elevator End Rib - Inspection 317 1 2009-03-16 GRP Elevator Tip - Inspection 318 1 2009-06-07 Rudder-Bar Adjuster Cable Assembly - Inspection 319 1 2009-06-30 Forward Baggage Bay Door - Inspection Page 7 Issue 65 21/12/2021 SB No Issue Date Subject Field Service Information Service Bulletins - TOC 320 1 2009-07-08 Horizontal Stabiliser (Tailplane) Attachments - Inspection 322 1 2009-07-01 Engine Oil Tank Inspection 323 1 2011-06-03 Rudder-Bar Pedal Assembly 328 2 2020-08-06 Accomplishment Instructions for Introduction of Improved Elevator End Ribs and Elevator Tip Fairings [OPTIONAL MODIFICATION] 330 1 2012-07-31 Propeller Spinner Scoring of the Engine Air Intake 331 1 2012-06-29 Inspection of Port and Starboard Engine ECU Fire Sensor Wires 332 1 2012-12-06 Fuel Filler Cap Sealing 334 2 2015-07-07 Inspection of Throttle Cable End Fittings 335 1 2016-04-12 Introduction of a Modification to Fuel System at Fuel Sump 337 1 2016-04-12 Accomplishment Instructions for Modification to Fuel System at Fuel Sump [OPTIONAL MODIFICATION] 338 3 2015-11-18 Accomplishment Instructions for the Introduction of Alternative Pitot Static Head PST-305 (BN2A/B/T) [OPTIONAL MODIFICATION] 339 4 2014-09-23 Inverter Control Enhancement 342 4 2015-11-18 Accomplishment Instructions for the Introduction of Alternative Pitot Static Head PST-305 (BN2T-4S) [OPTIONAL MODIFICATION] 343 1 2016-01-06 Accomplishment Instructions for the Introduction of Whelen PAR-46 LED Landing Lights [OPTIONAL MODIFICATION] 344 1 2016-01-06 Accomplishment Instructions for the Introduction of Whelen LED Navigation Lights [OPTIONAL MODIFICATION] 345 1 2015-10-02 Accomplishment Instructions for Embodiment of Software Update I.A.W Garmin SB No. 1520 [OPTIONAL MODIFICATION] 346 1 2016-01-12 Accomplishment Instructions for the Introduction of Pitot-Static Pressure Head Anti-Ice Heater Warning [OPTIONAL MODIFICATION] 347 1 2015-10-29 Accomplishment Instructions to Prepare BN2T Turbine Islanders for Installation of R-R Model 250-B17C Turbo-Prop Engines with Enhanced Turbine Assembly [OPTIONAL MODIFICATION] 348 2 2015-11-18 Accomplishment Instructions for the Introduction of Alternative Pitot Static Head PST-305 (BN2A Mk.III) [OPTIONAL MODIFICATION] 349 1 2016-01-06 Accomplishment Instructions for the Introduction of Whelen LED Anti- Collision Beacons (BN2T-4S/4R) [OPTIONAL MODIFICATION] 350 1 2016-01-06 Accomplishment Instructions for the Introduction of Whelen LED Anti- Collision Beacons (BN2B-T) [OPTIONAL MODIFICATION] 351 1 2016-01-06 Accomplishment Instructions for the Introduction of Whelen LED Anti- Collision Beacons (BN2A/BN2A-MkIII) [OPTIONAL MODIFICATION] 352 1 2015-12-18 Accomplishment Instructions for the Removal of NB-M-911 - AP 107 Autopilot [OPTIONAL MODIFICATION] 353 3 2019-01-03 Accomplishment Instructions for Installation of Alternative Main Aircraft Battery (BN2,BN2A/B/T,BN2A MkIII) [OPTIONAL MODIFICATION] 355 1 2017-03-03 Accomplishment Instructions for Replacement of Brake Master Cylinder [OPTIONAL MODIFICATION] 356 1 2017-07-20 Accomplishment Instructions for Introduction of Alternative Fuel Cock [OPTIONAL MODIFICATION] 357 3 2018-01-03 Accomplishment Instructions for Installation of Alternative 46 Ah Main Aircraft Battery (BN2T-4S) [OPTIONAL MODIFICATION] 359 2 2017-10-30 Accomplishment Instructions for the Installation of Alternative Aircraft Battery (BN2T-4S) [OPTIONAL MODIFICATION] Page 8 Issue 65 21/12/2021 SB No Issue Date Subject Field Service Information Service Bulletins - TOC 360 1 2017-07-27 Accomplishment Instructions for Introduction of Alternative Starter Motor (BN2A/B) [OPTIONAL MODIFICATION] 361 1 2018-01-05 Accomplishment Instructions for Removal of the Janero Heater and Installation of Demister Heater/Blower (BN2T) [OPTIONAL MODIFICATION] 362 - - Not Issued 363 3 2018-05-23 Inspection of the Rudder Final Drive Rod Assembly (BN2/BN2A/BN2B) 364 5 2019-01-14 Inspection of the Rudder Final Drive Rod Assembly (BN2T Series not incl. BN2T-4 Series) 365 1 2019-03-29 Nosewheel Steering Driving Ring Cracks 366 2 2020-08-20 Accomplishment Instructions for Introduction of BN-NLG-01 Landing Gear [OPTIONAL MODIFICATION] 367 2 2020-08-20 Accomplishment Instructions for Introduction of BN-MLG-01 Landing Gear [OPTIONAL MODIFICATION] 368 2 2019-06-18 Rivet Integrity Check of Stringer Posts at Wing Stns 62.7 and 79.3 369 2 2019-06-18 Rivet Integrity Check of Stringer Posts at Wing Stns 62.7 and 79.3 370 1 2019-06-25 Accomplishment Instructions for Introduction of Alternative Pitot-Static Head (BN2T-4S Islander with Unrestricted Icing Clearance) [OPTIONAL MODIFICATION] 371 1 2019-09-04 Accomplishment Instructions: Installation of an Alternate Fire Extinguisher [OPTIONAL MODIFICATION] 372 1 2019-09-04 Accomplishment Instructions for Application of Corrosion Preventative Fluid [OPTIONAL MODIFICATION] 373 1 2019-12-19 Flight with the Port Rear Door Removed [OPTIONAL MODIFICATION] 374 1 2021-04-30 Accomplishment Instructions for Introduction of Alternative Material to MLG Lower Fitting [OPTIONAL MODIFICATION] 375 1 2019-12-20 Change to Heading Sensor Orientation for C.I.A.S. (C2314) [OPTIONAL MODIFICATION] 376 1 2020-02-11 Scoring of Rudder Trim Handwheel Mounting Channel 377 1 2020-02-14 Replacement of Rudder Trim Handwheel Mounting Channel 380 1 2021-02-02 Introduction Corrosion Resistant Steel Camloc Fasteners [OPTIONAL MODIFICATION] 385 1 2020-06-05 Accomplishment Instruction for Reinstatement of Wiring from RL1 to LJ+ (C2245) [OPTIONAL MODIFICATION] 386 - - Not Issued 387 1 2021-02-03 Accomplishment Instructions for Introduction of Alternative AMSAFE Inertia Reel Three-Point Restraint Assembly [OPTIONAL MODIFICATION] 392 2 2021-07-22 Accomplishment Instructions for Introduction of Replacement Harness Assembly [OPTIONAL MODIFICATION] 394 1 2021-04-29 Accomplishment Instructions for Introduction of "Mobile Crew" Restraint for use with Sliding Door [OPTIONAL MODIFICATION] 395 1 2021-05-05 Introduction of BNSP-004 Bonding Leads as an Alternative to NB Bonding Leads 396 1 2021-05-04 Accomplishment Instructions for the Installation of New Wing Access Panels [OPTIONAL MODIFICATION] 398 1 2021-07-12 Recommended Action to Inspect Cable Routing Behind the Instrument Panel for Interference with Control Column 399 1 2021-08-01 Accomplishment Instructions to Reduce Voltage Drop During Engine Start. [OPTIONAL MODIFICATION] Page 9 Issue 65 21/12/2021 SB No Issue Date Subject Field Service Information Service Bulletins - TOC 400 2 2021-12-21 Inspection of Rudder Trim Handwheel Mounting Channel Page 10 Issue 65 21/12/2021