What was found
PUNGENT ODOR/SMOKE IN AIRCRAFT ON ENGINE PNEUMATICS AT HIGH ENGINE POWER. *S/D* FOUND APU SPEED SENSOR (MONOPOLE) O-RING CUT AND OIL LEAKING INTO THE COMPRESSOR AREA. REPLACED O-RINGS AND BURNED OUT PACKS. CHECKED OUT OK.
- Difficulty date
- July 10, 1997
- Submitted
- March 26, 2000
- Operation
- Air carrier
- Aircraft
- N1842U
- Make and model
- Doug DC1010
- Aircraft serial
- 46635
- Engine
- Ge CF66D
- System (JASC)
- 4920 · APU Core Engine
- Part
- O-Ring
- Condition
- Cut
- Location
- Speed Sensor
- Stage of operation
- NR
- Nature of condition
- B
- Precautionary procedure
- A
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.