SERVICE BULLETIN SB 27-4136

(4) The work shall be accomplished in accordance with criteria defined in Paragraph 3, ACCOMPLISHMENT INSTRUCTIONS. (5) The work shall be accomplished at Hawker Beechcraft Services or an Authorized Service Center (ASC) rated to perform maintenance on the specific model of Beechcraft airplane. (6) While work shall be accomplished in accordance with the criteria defined in Paragraph 1.D, COMPLIANCE, warranty coverage offered in this Service Bulletin will expire 12 months from the last day of the month this Service Bulletin is issued. After this date, the owner/operator assumes the responsibility for compliance cost. (7) Claims for compliance with this Service Bulletin (SB) are to be filed as a W3-type claim against SB 27-4136. (8) After the Service Bulletin has been accomplished, a warranty claim must be submitted to BC within 60 days of the Service Bulletin completion date. Beechcraft Corporation reserves the right to void continued airplane warranty coverage in the area affected by this Service Bulletin until the date the Service Bulletin is accomplished. The owner/operator should contact Hawker Beechcraft Services or an Authorized Service Center (ASC) to schedule the warranty work to be accomplished. Hawker Beechcraft Services or an Authorized Service Center (ASC) must submit the appropriate paperwork directly to the Beechcraft Warranty Department for warranty consideration. SERVICE BULLETIN Issued: November, 2014 SB 27-4136 4 of 12 MANDATORY 2. Material Information A. Materials - Price and Availability Contact information: Hawker Beechcraft Parts & Distribution (HBP&D) 7121 Southwest Boulevard Wichita, KS 67215 USA Phone: 316-676-3100 or 1-888-727-4344 Fax: 316-676-3222 or 316-676-3327 E-mail: parts@beechcraft.com B. Industry Support Not applicable. C. Airplanes The following parts required for accomplishment of this Service Bulletin may be ordered through Hawker Beechcraft Services, an Authorized Service Center (ASC), HBP&D, or obtained locally: Part Number Description Quantity Per Airplane 36-524024-21 Tube Cover 1 60-524101-7 Guide 1 60-524101-9 Bushing 1 MS35338-44 Washer 1 MS35335-33 Lock Washer 2 MS35335-35 Washer 1 36-524091-15 (Bonanza) Spacer As Required 36-524091-17 (Baron) Spacer As Required AN4-24A (Baron) Bolt 1 AN4-14A (Bonanza) or 130909B45 Bolt 1 MS20470AD5-X* Rivet 8 SERVICE BULLETIN Issued: November, 2014 5 of 12 SB 27-4136 MANDATORY Beechcraft Corporation expressly reserves the right to supersede, cancel and/or declare obsolete, without prior notice, any parts or publications that may be referenced in this Service Bulletin. D. Spares Not applicable. E. Reidentified Parts None. F. Tooling - Price and Availability Not applicable. 3. Accomplishment Instructions This Service Bulletin shall be accomplished as follows: NOTE Should any difficulty be encountered in accomplishing this Service Bulletin, contact Beechcraft Corporation at 1-800-429-5372 or 316-676-3140. Observe all Warnings and Cautions contained in the airplane manuals referenced in this Service Bulletin. Whenever any part of this system is dismantled, adjusted, repaired or renewed, detailed investigation must be made on completion to make sure that distortion, tools, rags or any other loose articles or foreign matter that could impede the free movement and safe operation of the system are not present, and that the systems and installations in the work area are clean. A. Airplane (1) Remove all power from the airplane and disconnect the battery. Display warning notices prohibiting reconnection of airplane electrical power. Alodine 1200, 1200S, 1201 or 1132 (MIL-PRF-81706 in accordance with MIL-C-5541) Chemical Conversion Coating As Required Loctite 495 Cyanoacrylate Adhesive As Required *Grip length as required. Part Number Description Quantity Per Airplane SERVICE BULLETIN Issued: November, 2014 SB 27-4136 6 of 12 MANDATORY (2) In the cockpit, locate the pilot’s control wheel and control column. Refer to Figures 1, 2 and 3, as necessary in the following Steps (2)(a) through (2)(i). NOTE Unless otherwise noted, items that are removed in the following steps shall be retained for later use. (a) Remove the pilot’s control wheel from the control column. (b) Remove the control column tube cover (heat shrink). (c) Drill out eight (8) rivets that are attaching the control wheel adapter to the control column. Refer to Figure 2. (d) Mark the orientation of the adapter on the control column prior to removing the adapter. Remove the adapter. (e) Ensure the control column is clear of metal shavings, fasteners, and other loose material. Chemical conversion coating may affect skin, eyes and respiratory tract. Chemical goggles and neoprene gloves will be worn. Use in a well- ventilated area. (f) Apply chemical conversion coating to bare metal surfaces. Allow adequate drying time following application of chemical conversion coating. (g) Remove bolt P/N AN4-24A (Baron) or bolt P/N AN4-14A (Bonanza), from the center of the control column. Refer to Figure 1. (h) Remove the following items from the bolt: Washer P/N AN960-416. Discard washer. Guide assembly P/N 60-524101-0005. Discard guide assembly. Washer P/N NAS1149F0463P. Discard washer. Spacer P/N 36-524091-15 (Bonanza) or P/N 36-524091-17 (Baron). Retain the spacer. (i) Discard the bolt. (3) Refer to Figures 1 through 4 and reassemble the control column as follows: (a) Place new bushing P/N 60-524101-9 on hard surface. (b) Place new guide P/N 60-524101-7 over top of bushing and press down to install bushing in guide. (c) Adjust bushing position by pushing in or out so that the bushing protrudes 0.030-inch to 0.040-inch from the guide. SERVICE BULLETIN Issued: November, 2014 7 of 12 SB 27-4136 MANDATORY NOTE Installing bushing P/N 60-524101-9 in guide P/N 60-524101-7 creates guide assembly P/N 60-524101-5. (d) With the protruding side of the bushing facing up, place new washer P/N MS35335-35 over the bushing and apply one (1) small drop of Loctite 495 (or equivalent) to one of the teeth of the washer. Remove any excess adhesive and wait for adhesive to cure before installing guide to the new bolt in the following steps. (e) For Baron airplanes, install new washer, P/N MS35338-44, on new bolt, P/N AN4-24A. For Bonanza airplanes, install new washer P/N MS35338-44, on new bolt P/N AN4-14A (or equivalent). (f) For Baron airplanes, install retained spacer P/N 36-524091-17, on the bolt, next to the washer that was installed in Step (3)(e). For Bonanza airplanes, install retained spacer P/N 36-524091-15, on the bolt, next to the washer that was installed in Step (3)(e). NOTE The rest of the following steps apply to Baron and Bonanza airplanes. (g) Install two (2) new lock washers, P/N MS35335-33, on the bolt, next to the spacer that was installed in Step (3)(f). (h) When adhesive that was applied in Step (3)(d) has properly cured, install guide assembly on the bolt, with P/N MS35335-35 washer on the opposite side of the guide from the P/N MS35335-33 washers. (i) Insert the bolt, which contains the grouping of parts installed in Steps (3)(e) through (3)(h), into the center of the control column as follows: (i) Insert a portion of a tongue depressor, or similar tool, under the torque shaft to elevate it so that the nutplate hole is in the middle of the control column tube, to allow the bolt to be threaded into the nutplate. Access to elevate the torque shaft is also possible through the gust lock hole in the control column. (ii) When the bolt is partially threaded into the nutplate, rotate the tongue depressor and guide assembly so that one of the flats of the guide assembly is at the bottom of the control column. Refer to Figure 4. (iii) Leave the tongue depressor in place to hold the guide assembly in position during the process of torquing the bolt to 50-70 inch-pounds over the free running bolt torque. (iv) Remove the tongue depressor after bolt has been torqued to 50-70 inch-pounds. (v) Check for smooth fore and aft control column movement. SERVICE BULLETIN Issued: November, 2014 SB 27-4136 8 of 12 MANDATORY (j) Install a new tube cover, P/N 36-524024-21, on control column. Leave control column rivet holes uncovered. Refer to Figure 3. (k) Using eight (8) new rivets, P/N MS20470AD5-X*, install the adapter to the control column. (l) Slide the new tube cover that was installed in Step (3)(j) over rivet heads and heat shrink to fit. (m) Verify that a minimum of 0.06-inch gap exists between the aft face of the P/N 36-524091 spacer and the forward face of the control column adaptor at the full nose down column position. If the gap is less than 0.06-inch from the spacer to the control column adapter, perform rigging of the control column neutral position per Maintenance Manual Chapter 27. (n) Install the pilot’s control wheel to the control column. (4) Reconnect the airplane battery, remove warning notices, and restore power. (5) Check for full smooth control column movement in both pitch and roll and verify proper direction of control surface movement. (6) Ensure all work areas are clean and clear of tools and miscellaneous items of equipment. (7) Return airplane to service. B. Spares Not applicable. C. Record of Compliance Upon completion of this Service Bulletin, make an appropriate maintenance record entry. SERVICE BULLETIN Issued: November, 2014 9 of 12 SB 27-4136 MANDATORY DETAIL A B413601.AI A INSTALL 2 MS35335-33 LOCK WASHERS REMOVE AN960-416 WASHER INSTALL MS35335-35 LOCK WASHER REMOVE AN960-416 WASHER INSTALL MS35338-44 WASHER CONTROL COLUMN SHOWN WITH CONTROL WHEEL AND CONTROL WHEEL ADAPTER REMOVED. 60-524101-5 INSTALL NEW GUIDE ASSEMBLY REMOVE EXISTING AN4-24A BOLT INSTALL NEW AN4-24A BOLT, APPLICABLE TO BARON REMOVE EXISTING AN4-14A BOLT INSTALL NEW AN4-14A BOLT, APPLICABLE TO BONANZA TORQUE BOLT 50-70 IN-LBS INSTALL 36-524091-15 SPACER, APPLICABLE TO BONANZA INSTALL 36-524091-17 SPACER, APPLICABLE TO BARON Control Column Hardware Replacement Figure 1 SERVICE BULLETIN Issued: November, 2014 SB 27-4136 10 of 12 MANDATORY Control Column Rivet Installation Figure 2 SERVICE BULLETIN Issued: November, 2014 11 of 12 SB 27-4136 MANDATORY Tube Cover P/N 36-524024-21 Figure 3 SERVICE BULLETIN Issued: November, 2014 SB 27-4136 12 of 12 MANDATORY B413604.AI PROPER ORIENTATION OF FLAT ON GUIDE ASSEMBLY WITH RESPECT TO GUST LOCK PIN HOLE. GUST LOCK PIN HOLE LOCATION. GUIDE ASSEMBLY CONTROL COLUMN Proper Orientation of Flat on Guide Assembly Figure 4