| 93-21-3 |
Schweizer |
Supersedes 80-5-5 | repetitively inspect magnesium tailboom support fittings; if cracked or within next 100 TIS, replace w/aluminum fitting | 269 series |
| 93-21-12 |
Piper |
Superseded by 95-12-1 |
| 93-21-10 |
Bell Heli |
Reduce retirement life of main rotor yoke assembly; repetitively inspect assembly for straightness | 214B,-1 |
| 93-20-6 |
Ayres |
Within 100 hr TIS, replace aluminum outboard wing huckbolts w/steel bolts | S2R |
| 93-20-5 |
Ayres |
If bracket attaching vertical tail front spar to horiz stabilizer is damaged or within next 100 TIS, replace w/one of improved design | S2R series |
| 93-20-1 |
Beech |
Modify improperly installed wiring of eng electronic fuel control start circuit & main circuit breaker panel; install non-conductive sheet | Beech 400A (SN45,49-77,79) |
| 93-2-7 |
Bell Heli |
Supersedes 85-17-3 | ev 25 hrs TIS, inspect cold-bonded asmbly of vertical fin spar cap until replaced w/ hot-bonded asmbly | 421 |
| 93-2-5 |
Text-Lyc |
Superseded by 02-26-1 |
| 93-2-4 |
deHavilland |
Supersedes 77-3-7 | until modified, repetitively inspect floor structure channels & hydraulic hand pump fittings; repair/replace if cracked | DHC6 |
| 93-2-13 |
Piper |
Superseded by 93-23-13 | supersedes 92-26-2 |
| 93-2-12 |
Beech |
Correct discrepancies in circuit breaker wiring | 400A (SN RK-2 thru -29,-31,-32) |
| 93-2-11 |
BAe |
Inspect both upper wing skins; repair if corroded | 125-700A series |
| 93-2-10 |
BAe |
Supersedes 87-12-8 | until modified, repetitively inspect battery cables; repair if chafed/damage | BH/DH/HS/BAe 125 series |
| 93-2-1 |
Garrett Eng |
Supersedes 92-2-19 | replace specified fuel manifold assemblies | TPE331 series |
| 93-19-6 |
Fairchild |
Superseded by 96-20-8 |
| 93-19-4 |
Precision Airmotive |
Supersedes 92-15-16 | replace specified carb floats per Precision manual | Text-Lyc O-235,-290,-320; Tele-Cont A-65,-75; C-75,-85,-90,-115,-145; O-200, -300 |
| 93-19-3 |
P&W Eng |
Modify flow divider start valves | JT15D-5A turbofan engs |
| 93-18-8 |
P&W Eng |
Supersedes 91-6-1 | repetitively inspect high pressure turbine assembly; remove assembly if forward blade movement exists | JT15D-4B |
| 93-18-5 |
MDHC |
Repetitively inspect fuel vent line emergency shutoff valve assembly; replace assembly if closed/obstructed or before 3000 hr TIS | 369 series |
| 93-18-3 |
Precision Airmotive |
If primary venturi is 2-piece, loose or missing, replace w/1-pc. unit | MA-3A,-3PA,-3SPA,-4SPA carburetors on specified Textron-Lycoming & Teledyne-Cont engs |
