What was found
IN-FLIGHT SMOKE IN COCKPIT CAUSED BY FAILED NR 1 CARBON SEAL AND GEARBOX RELIEF VALVE, PN 3075323-2, OVER PRESSURE OF GEARBOX WITH FAILED NR 1 CARBON SEAL CAUSED OIL TO ENTER COMPRESSOR SECTION AND SMOKE IN BLEED AIR SYSTEM.
- Difficulty date
- July 27, 1995
- Submitted
- March 26, 2000
- Operation
- General aviation
- Aircraft
- N4MB
- Make and model
- Amd FALCON50MYST
- Aircraft serial
- 156
- Engine
- Garrtt TFE7313
- System (JASC)
- 7230 · Turbine Engine Compressor Section
- Part
- Seal
- Part number
- 30755147
- Condition
- Failed
- Location
- Nr 1 Carbon
- Part time
- 4,736 hours
- Stage of operation
- CR
- Nature of condition
- B
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.