What was found
CARBON BUILD UP IN LABYRINTH SEALS CAUSING BINDING NG.
- Difficulty date
- December 16, 2002
- Submitted
- January 6, 2003
- Operation
- General aviation
- Aircraft
- N973AE
- Make and model
- Aerosp AS355*
- Aircraft serial
- 3229
- Aircraft time
- 1,965 hours
- Engine
- Allsn 250C20
- System (JASC)
- 7261 · Turbine Engine Oil System
- Part
- Labyrinth Seal
- Part number
- 0292217030
- Part serial
- 283B
- Condition
- Contaminated
- Location
- Engine
- Stage of operation
- IN
- How discovered
- C
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.