Rockwell Commander Type AC11 Elevator Spar Inspection and Report
Rockwell Commander 114 A · Service Bulletins
Overview
This document is a service bulletin for the Rockwell Commander 114 A aircraft, focusing on the inspection and reporting of the elevator spar. It provides detailed instructions for evaluating the condition of the elevator and its components, including checks for play, torque, and potential cracks.
- Inspection of elevator spar is crucial for safety.
- Check for play in hinges and bearings.
- Torque checks on elevator fittings are required.
- Visual inspection for cracks is necessary.
- Use a borescope for internal inspection if needed.
- Document all findings in the provided tables.
- Technical advice is available for a nominal fee.
- Report results to the aircraft owner.
Document
Source
Originally published by cocodoc.com. Sprinkle hosts a reference copy with an added summary, specifications and searchable full text.
Document details
- Type ·
- Service Bulletins
- File size ·
- 190 KB
- Publisher ·
- cocodoc.com
- Language ·
- en
What is the Rockwell Commander Type AC11 Elevator Spar Inspection and Report?
The Rockwell Commander Type AC11 Elevator Spar Inspection and Report is a service bulletins for the Rockwell Commander 114 A.
Where does the Rockwell Commander Type AC11 Elevator Spar Inspection and Report come from?
This copy of the Rockwell Commander Type AC11 Elevator Spar Inspection and Report was originally published by cocodoc.com and is hosted on Sprinkle as a free, searchable reference copy.
Most owners only have the POH. Here's the essential set for the Rockwell Commander 114 A.
- Pilot's Operating Handbook / AFM
- Checklist
- Maintenance Manual
- Parts Catalog (IPC)
- Systems & Wiring
- Service Bulletins on file
- Type Certificate (TCDS)
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In this document
Aircraft Information
Details about the aircraft model, serial number, and current time on airframe and engine are recorded.
General Inspection
Instructions for inspecting the elevator for play and ensuring all components are functioning correctly.
Special Inspection for Spar Cracks
Guidelines for visually inspecting the elevator spar for cracks and documenting findings.
Torque Check
Procedure for checking the torque on the elevator outboard hinge fittings.
Contact Information
Details for contacting Aerodyme Corporation for technical advice and support.
Safety notes
- Do not clean until instructed.
- Report any play exceeding 1/8 inch.
- Inspection may end if cracks are found.
- Use caution when inspecting for cracks.
- Contact Aerodyme for further consultation if access is restricted.
Full document text
Court esy of Aerodym e Corporat ion Rev 2 Page 1 of 4 Technical Advice ( nom inal fee charged) available. Jim Richards, Aerodym e Corporat ion Fee credit ed t oward service kit . 802- 264- 6400 x 1 Rock w e ll Com m a n de r Type AC1 1 Ele va t or Spa r I n spe ct ion a n d Re por t Pa r t 1 . Air cr a ft I nfor m a t ion Ta ble 1 Aircraft I nform at ion Model Year Model ( circle at right ) 112 112A 112B 112TC 112TCA 114 114A 114B 114TC 115 Serial Num ber Tot al Tim e Airfram e Current Prop: [ ] 2- Blade [ ] 3- Blade For Recording Below Tach < or> Hobbs Current Tim e Engine Conversion [ ] None [ ] Hot Shot Norm alizer [ ] Cam arillo Norm alizer [ ] 390 Super [ ] 580 Super Tim e I nst alled Tim e I nst alled Dat e I nst alled Service Bullet in SB- 112- 56B or SB- 114- 12B in regard t o lower fin rib [ ] No Record Found Tim e Com plied Tim e Com plied Dat e Com plied Num ber of Rivet Rows1 [ ] Single Row [ ] Single Row plus Aft Only [ ] Single Row plus 1/ 2 Row [ ] Two Full Rows Service Let t er SL- 112- 46 or SL- 114- 17 in regard t o upper rudder spar [ ] No Record Found Tim e Com plied Tim e Com plied Dat e Com plied [ ] Cracked Before Repair [ ] Gone Beyond St op Drills [ ] Never Cracked Em pennage Maint enance, Replacem ent or Repair Ent ries ( report only m ost recent ) Ent er t im e and dat e of work from logs and check all boxes below t hat apply Elevat ors Ment ioned [ ] Left [ ] Right [ ] Dam age Hist ory Replacem ent of Elevat or Hinge Bushing/ Bearing [ ] Any on Left [ ] Any on Right Replacem ent of Fit t ings [ ] Any on Left [ ] Any on Right Trim Tabs Ment ioned [ ] Left [ ] Right [ ] Dam age Hist ory Replacem ent of Trim Tab Rod Ends [ ] Eit her on Left [ ] Eit her on Right Trim Jackscrew Service [ ] Left [ ] Right 1 SB- 112- 56B and SB- 114- 12B prescribed inst allat ion of a doubler at t he lower fin rib locat ed j ust beneat h t he horizont al st abilizer, consist ing init ially of a " horseshoe" doubler at t he aft end, or lat er a half- rib doubler, or lat er yet a full- rib doubler. The level of repair is easily discernable by observing t he ext ent of t he second ( lower) row of rivet s forward along t he rib skin st art ing from t he aft edge. Not e t hat t he upper row of rivet s m ay be obscured underneat h t he rubber seal. Court esy of Aerodym e Corporat ion Rev 2 Page 2 of 4 Pa r t 2 : Ge n e r a l I n spe ct ion N ot e : D o no cle a ning unt il inst ruct e d. [ ] I nst all t he cont rol lock and inspect for det ect able play at t he locat ions set fort h in Table 2. Any appreciable play heard, felt or seen in t he hinges and bearings, and any play in excess of 1/ 8" t ot al m ovem ent at t he t railing edges of t he elevat ors and/ or t rim t abs should be report ed by checking t he appropriat e boxes: Ta ble 2 Evaluat ion of Play in Horizont al Tail Left Elevat or Right Elevat or Left Elevat or Trailing Edge [ ] More t han 1/ 8" Tot al Movem ent [ ] Less t han 1/ 8" Tot al Movem ent [ ] Did Not I nspect Right Elevat or Trailing Edge [ ] More t han 1/ 8" Tot al Movem ent [ ] Less t han 1/ 8" Tot al Movem ent [ ] Did Not I nspect Left Elevat or Hinges Right Elevat or Hinges Out board [ ] Audible [ ] Felt [ ] Visible [ ] No Play [ ] DNI 2 Mid [ ] Audible [ ] Felt [ ] Visible [ ] No Play [ ] DNI I nboard [ ] Audible [ ] Felt [ ] Visible [ ] No Play [ ] DNI I nboard [ ] Audible [ ] Felt [ ] Visible [ ] No Play [ ] DNI Mid [ ] Audible [ ] Felt [ ] Visible [ ] No Play [ ] DNI Out board [ ] Audible [ ] Felt [ ] Visible [ ] No Play [ ] DNI Left Trim Tab Right Trim Tab Left Trim Tab Trailing Edge [ ] More t han 1/ 8" Tot al Movem ent [ ] Less t han 1/ 8" Tot al Movem ent [ ] Did Not I nspect Right Trim Tab Trailing Edge [ ] More t han 1/ 8" Tot al Movem ent [ ] Less t han 1/ 8" Tot al Movem ent [ ] Did Not I nspect Out board Rod End [ ] Felt [ ] Visible [ ] No Play [ ] DNI I nboard Rod End [ ] Felt [ ] Visible [ ] No Play [ ] DNI Act uat or Jack Screw [ ] Felt [ ] Visible [ ] No Play [ ] DNI Act uat or Jack Screw [ ] Felt [ ] Visible [ ] No Play [ ] DNI I nboard Rod End [ ] Felt [ ] Visible [ ] No Play [ ] DNI Out board Rod End [ ] Felt [ ] Visible [ ] No Play [ ] DNI Elevat or Push Tube Play at Elevat or Push Tube – Upper Bearing [ ] Audible [ ] Observable ( t hru t he elevat or horn port ) [ ] No Play [ ] DNI Play at Elevat or Push Tube – Lower Bearing [ ] Audible [ ] Observable ( by rem oving t he st inger) [ ] No Play [ ] DNI 2 Check box if you did not inspect t his it em . Technical Advice ( nom inal fee charged) available. Jim Richards, Aerodym e Corporat ion Fee credit ed t oward service kit . 802- 264- 6400 x 1 Court esy of Aerodym e Corporat ion Rev 2 Page 3 of 4 Technical Advice ( nom inal fee charged) available. Jim Richards, Aerodym e Corporat ion Fee credit ed t oward service kit . 802- 264- 6400 x 1 [ ] Check t he t orque on t he elevat or out board hinge fit t ing at t achm ent bolt s using a 3/ 8" swivel socket on a ¼ " drive ext ension and t orque wrench set t o 30 inch pounds, report ing in Table 3 whet her t he bolt s rot at e before t orque is reached: Ta ble 3 Torque Check of At t achm ent of Out board Elevat or Fit t ing t o Elevat or Left Elevat or Out board Hinge Fit t ing Right Elevat or Out board Hinge Fit t ing Upper Out board [ ] Rot at es [ ] No Rot at ion [ ] DNI 3 Upper I nboard [ ] Rot at es [ ] No Rot at ion [ ] DNI Upper I nboard [ ] Rot at es [ ] No Rot at ion [ ] DNI Upper Out board [ ] Rot at es [ ] No Rot at ion [ ] DNI Lower Out board [ ] Rot at es [ ] No Rot at ion [ ] DNI Lower I nboard [ ] Rot at es [ ] No Rot at ion [ ] DNI Lower I nboard [ ] Rot at es [ ] No Rot at ion [ ] DNI Lower Out board [ ] Rot at es [ ] No Rot at ion [ ] DNI Pa r t 3 : Spe cia l I n spe ct ion for Spa r Cr a ck s N ot e : D o no cle a ning unt il inst ruct e d. [ ] Visually inspect t he area im m ediat ely surrounding t he out board elevat or hinge fit t ings at t ached t o t he elevat or for any cracks or signs of sm oke produced by cracks in t he
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elevat or spar web. I f cracks or signs are found, m ake m ent al not e of areas for re- inspect ion aft er cleaning. [ ] Clean t he fit t ings and surrounding spar web and re- inspect for cracks. I f cracks are found, t he inspect ion m ay be ended at t his point . [ ] Check t his box if inspect ion ended at t his point , and report result s in Table 4. [ ] Rem ove t he elevat or t ip and inspect t he aft face of t he spar web in t he area of t he fit t ing by insert ing a flexible borescope4 bet ween t he aft end of t he out board elevat or rib and t he t railing edge of t he elevat or skin. Generally, it will be possible t o insert a scope up t o 9 m m diam et er. I nspect ion should cover t he areas surrounding t he four at t achm ent nut s and ext ending upward and downward t o t he elevat or skins and at least 1" inboard and out board from t he nut s. Typically t he spar web inside t he elevat or is clean, so any " lines" are likely of alum inum sm oke generat ed by m ot ion of cracks. I f viewing is obscured by dirt or grease, it m ay be possible t o spray som e cleaner ( such as avgas) in t hrough t he sm all t ooling hole in t he out board rib, and t hen re- inspect . 3 Check t his box if did not inspect t his it em . 4 The Bend- a- Light Mini Pro, sold by Aircraft Spruce, and t he B5500 Visual I nspect ion Device, sold by Snap- On, are bot h report ed t o work. Court esy of Aerodym e Corporat ion Rev 2 Page 4 of 4 Technical Advice ( nom inal fee charged) available. Jim Richards, Aerodym e Corporat ion Fee credit ed t oward service kit . 802- 264- 6400 x 1 I f access cannot be gained for inspect ion using a borescope, or direct viewing is necessary for confirm at ion of cracks, cont act Aerodym e or CPAC for furt her consult at ion. [ ] The inspect ion is finished at t his point . Report t he result s in Table 4. I f cracks have been found, and if possible, t ake digit al pict ures for t he owner t o upload t o t he survey page. Ta ble 4 Special I nspect ion Result s Elevat or Lengt h or ( at right , check all t hat apply and record lengt h, or dist ance, or count as appropriat e) Left Right Dist ance or Count No Defect s Found Crack Along Upper Edge of Fit t ing, and How Long? Crack Along Lower Edge of Fit t ing, and How Long? Crack Beyond I nboard Edge of Fit t ing, and How Far? Crack Beyond Out board Edge of Fit t ing, and How Far? Crack St art ing/ Ending at Bolt Holes, How Many? Crack Visible by Ext ernal I nspect ion of Elevat or Crack Visible by I nt ernal I nspect ion of Elevat or Crack Visible Only by Dye- Penet rant I nspect ion Ot her Defect ( please describe here) Pa r t 4 : Cont a ct I n for m a t ion Dat e of I nspect ion: ______________ I nspect or's Nam e: _________________________________________________________ Best Cont act Met hod: [ ] Em ail t o ______________________________________________ [ ] Telephone _____________________________________________ Please provide a copy of t his report t o t he aircraft owner for ent ry of t he result s on t he special survey page at www.com m ander.org. Reference I nform at ion Model 112 I PC Figure 2- 35 Callout 46 Spar and Det ail B Callout 56 Fit t ing Model 114 I PC Figure 2- 35 Callout 46 Spar and Det ail A Callout 56 Fit t ing