| 81-15-2 |
Aerospatiale |
Inspect float mount brackets | AS350B, AS350D, -1 |
| 81-15-1 |
Swearingen |
Modify wing-to-fuselage stiffeners | SA226-T, -AT, -TC |
| 81-14-9 |
Rockwell |
Inspect doorstop beam ea 600 hrs | NA-265-40 (SN thru -97),-60 (SN thru -63) |
| 81-14-6 |
Cessna |
Replace rudder trim/nose gear bungee | 172RG thru SN -0769 |
| 81-14-51 |
Aerospatiale |
Revised 1/88 | inspect tail rotor assembly each 50 hrs | SA360C, SA365 |
| 81-14-2 |
Maule |
Modify rudder bar assembly | M-4, M-5 series |
| 81-14-1 |
Embraer |
Inspect rudder hinge support | EMB-110P1,2 (SN 11001 thru 110226) |
| 81-13-9 |
Aerospatiale |
Revised 12/81 | Repetitively inspect tail rotor blade pitch horns | AS350, AS355 |
| 81-13-7 |
Gates-Lear |
Alter flight manual operations limits | 23(SN 3 thru 99), 24(SN 3 thru 357); 25(SN 3 thru 341); 28(SN 1 thru 5); 29(SN 1,2,3); 35(SN 1 thru 415); 36 (SN 1 thru 47) |
| 81-13-6 |
Ham Std |
Revised 7/82 | inspect prop blades | D18, G-164 |
| 81-13-51 |
Canadair |
Replace wheel brake assembly -55 | CL-600 |
| 81-13-5 |
Dowty Rotol |
Inspect prop blades | PZL-3S engs |
| 81-13-4 |
Rockwell |
Measure shock strut trunnion | NA-265-60 (SN 306-5 thru -122); -265-70 (thru SN -9); 265-80 (thru SN-72) |
| 81-13-12 |
Allison |
Revised 9/83 | inspect fourth stage turbine nozzle | 250-C30, -C30F, -C30S |
| 81-13-11 |
Agusta |
Inspect abrasion strip & scarf joint | A109A |
| 81-13-10 |
Cont Eng |
Revised 10/81 | Rework oil pump drive | IO-360, TSIO-360, LTSIO-360 series |
| 81-12-6 |
Bendix |
Replace magneto gears on model D6LN-,D6RN-3200 | Lyc eng LTIO-,TIO-540-J2 |
| 81-12-4 |
Piper |
Modify rudder sys | PA-28RT-201 (SN-7918001 thru -8118032); -201T (SN -7931001 thru -8131050), PA-34-200,T (SN -725001 thru -8170065) |
| 81-12-3 |
Bell |
Inspect rotor spindle bolts; replace at 1200 hrs | 214B |
| 81-12-1 |
Beech |
Superseded by 85-1-1 | supersedes 77-23-7 |
