| 91-25-5 |
Gulfstream |
Repair damaged elec feeder cable btn dist box & co-pilot's junction box | G-III,-IV |
| 91-25-11 |
Embraer |
Inspect rudder trim tab system for correct assembly; reinstall if necessary | 110 |
| 91-25-1 |
IAI |
Revise Airplane Flight Manual to include operational check of horizontal stabilizer trim system and to limit use of emergency trim system | 1125 |
| 91-24-2 |
Turbomeca |
Install freewheel clutch & shaft on specified Arriel turboshaft engs | 1B,1D,1D1 |
| 91-24-16 |
Bell Heli |
Repetitively inspect specific tail rotor driveshaft bearings until replaced | 204B; 205A,-A1,-B;212;412 |
| 91-24-13 |
Sikorsky |
Supersedes 83-17-7 | recurringly inspect unreinforced forward spar vert pylon | S76A |
| 91-23-8 |
Mitsubishi |
Modify rudder trim tab leading edge | MU-2B-10, -15, -20, -30, -36 |
| 91-23-7 |
Beech |
Superseded by 92-15-6 |
| 91-23-4 |
Fairchild |
Superseded by 92-18-7 |
| 91-23-2 |
Aviat |
Replace eng carburetor air intake box | Christen A-1 Husky |
| 91-23-16 |
Aerostar |
Revise manifold pressure limitations in POH & on panel | PA60-700P |
| 91-23-15 |
Bell Heli |
Superseded by 95-24-6 |
| 91-23-1 |
Beech |
Inspect nose landing gear fork for cracks; if found, replace assembly | 77 (Skipper) |
| 91-22-6 |
Partenavia |
Install reinforcement strip on lower side of horizontal tailplane & incorporate airspeed limitations until strip is installed | P-68 |
| 91-22-1 |
Cessna |
Replace cracked/chafed elect wires in nose gear tunnel & fuel line to eng-driven fuel pumps | 210 |
| 91-21-9 |
Piper |
Supersedes 91-2-6 | install manually controlled heated alternate air induction system | PA-24-260 w/nonturbo fuel-injected eng |
| 91-21-1 |
Textron-Lyc Eng |
Revised 6/96 | supersedes 89-12-4 | install crossover exhaust pipe, 1-pc exhaust riser & manifold retainer kits; repetitively inspect/fix/replace damaged parts | TIO-540-S1AD |
| 91-20-8 |
Beech |
Inspect/modify fresh air blower housing attach. | F33A,-C;V35B;A36,-TC; B36TC |
| 91-20-14 |
Beech |
Revised 9/94 | revise takeoff/climb performance charts in POH & AFM | B300 |
| 91-20-10 |
Bell Heli |
Replace specified main rotor grips & destroy removed parts | 47G2,-A,-A1; 47G3,-B1,-B2, B2A; 47G4,-A; 47G5,-A; 47J,-2,-2A |
