| 12-12-20 |
Turbomeca |
Issued to prevent loss of automatic control on one or both engines installed on the same helicopter which could result in uncommanded in-flight engine shutdown | Arriel 2C1,2C2, 2S2 |
| 12-12-18 |
Dassault Falcon |
Supersedes 10-18-3 | Revise the Abnormal Procedures and Limitations sections of the AFM as specified | Falcon 7X |
| 12-12-17 |
Bombardier |
AD to prevent elongation of the pressure regulator neck, which could result in rupture of the oxygen cylinder | Challenger 300 |
| 12-12-11 |
Bell |
Unsafe condition, unfiltered TOT indicator over-temp warning light creates glare to night vision goggles | 206,A,A-1,B,B-1,L,L-1,L-3,L-4 |
| 12-11-7 |
Honeywell |
AD to prevent LP turbine overspeed leading to uncontained release of the LP turbine blades | ALF502L-2C, 502R-3,-3A,-5, LF507-1F,-1H |
| 12-11-6 |
Gulfstream |
AD to detect and correct excessive gaps in the wing-to-fuselage attachement fittings | 1159, A, B |
| 12-11-5 |
Enstrom |
Unsafe condition, failure of the trim relay in the cyclic trim system | F-28C,C-2,F, 280C,F,FX, TH-28, 480,B |
| 12-11-2 |
Eurocopter |
Supersedes 8-22-51 | Unsafe condition, crack in the ring frame connecting the rear structure tube (tailboom) and the tail rotor fenestron housing | EC 135 |
| 12-10-9 |
Piper |
Supersedes 80-11-6 | Rework data plate to read Model PA-31T1 | PA-31T (SN 31T7804001 thru -7904057) |
| 12-10-53 |
Eurocopter |
Supersedes 12-10-51 | Crack detection on the lower hub-shaft flange of the main rotor hub | EC135 models |
| 12-10-51 |
Eurocopter |
Superseded by 12-10-53 |
| 12-10-4 |
Cessna |
Reports of cracks found in the wing lower main spar caps | 210 Models |
| 12-10-2 |
Beechcraft |
Oversized clamps on fuel vapor return and/or fuel vent lines in the outboard sections of the left and right wings | 58, G58 models |
| 12-10-14 |
Socata |
Installation of an incorrect part number during overhaul of nose landing gear | TBM 700 |
| 12-10-13 |
Continental Motors |
Supersedes 11-25-51 | AD requires replacing affected CMI starter adapters as specified | TSIO-520 series, TSIO-550-K, TSIO-550K, IO-550-N |
| 12-10-1 |
Bell |
Unsafe condition from an over-torque of the tailboom attachment bolt | 427 |
| 12-1-11 |
Cirrus |
AD to inspect and modify the air box flange welds and slots and install induction system air box seals as applicable | SR22T |
| 11-9-9 |
Bombardier |
Revisions to certain operator maintenance documents to include new inspections, see AD | Challenger 601,-3A,-3R; 604; 605 |
| 11-9-8 |
Pacific Aerospace |
Inspect the left and right-hand rudder pedal assemblies for cracks and incorporating a modification repair scheme if any cracks are found | 750XL |
| 11-9-51 |
Piaggio |
Supersedes 11-1-53 | Remove central floor panels in the cabin, inspect fuselage belly and functionally test the fuselage drain holes as specified | P180 |
