| 77-13-12 |
Mitsubishi |
Superseded by 83-9-2 |
| 77-13-11 |
BAe |
Periodically replace emergency brake valve | DH,BH-125 series |
| 77-13-10 |
BAe |
Modify or replace aileron cable guards | DH, BH-125 (SN 25-13 thru -6061) |
| 77-12-8 |
Cessna |
Test and/or modify elec eng starter sys | 172; 177,-RG; 180; 182; 185; U206,TU206; 207, T207; 210,T210; 337,T337 |
| 77-12-6 |
Hartzell |
Superseded by 02-9-8 |
| 77-12-5 |
Champion |
Revised 5/78 | remove Champion oil filters CH48108 & CH48109 |
| 77-12-2 |
Piper |
Revised 4/78 | inspect elevator balance weight on all with wing lockers | PA-31 |
| 77-12-1 |
Piper |
Inspect fuel sys ev 50 hrs & modify or replace parts | PA-28-235; PA-32-260,-300 |
| 77-11-3 |
Beech |
Supersedes 69-26-4 | dye check or install new prop pitch control | H35,J,K,M,N,P |
| 77-11-2 |
MBB |
Replace rotor hub quadruple nuts | BO 105 series |
| 77-10-9 |
Piper |
Install Vno speed limitation placard | PA-31-325 |
| 77-10-7 |
Bell |
Adjust eng-transmission alignment | 205A-1 (SN 30001 thru 30232) |
| 77-10-6 |
Bell |
Replace tail rotor drive shaft bearings | 206A,B (SN 1 thru 1993) |
| 77-10-5 |
Bell |
Revised 8/77 | inspect main rotor blades | 212 |
| 77-10-13 |
Allison |
Superseded by 77-18-3 |
| 77-10-10 |
Rockwell |
Provide elec protection & improve isolation to instrument inverter | NA-265-80 |
| 77-1-8 |
Gulfstream |
Replace oil pressure line | 112 (SN 3 thru 470) |
| 77-1-6 |
Piper |
Inspect/repair horizontal stabilizer skin-stiffener rivet attachment | PA-31 |
| 77-1-5 |
Piper |
Insulate wing strobe light wires | PA-23 (SN 27-7654001 thru -7654171) |
| 77-1-3 |
Piper |
Modify carb air filter box | PA-28-151 (SN 28-7415001 thru -7715278 & -89) |
