What was found
BURNING OIL SMELL IN COCKPIT AND CABIN. UPON ENGINE DISASSEMBLY, FOUND ENGINE OIL IN THE LOW PRESSURE COMPRESSOR SHAFT. PRESSURE CHECK OF THE NR 1 MAINLINE BEARING CARBON SEAL CONFIRMED THAT THE CARBON SEAL HAD FAILED.
- Difficulty date
- July 2, 2000
- Submitted
- October 4, 2000
- Operation
- Air carrier
- Aircraft
- N515UA
- Make and model
- Boeing 757222
- Aircraft serial
- 24840
- Aircraft time
- 34,053 hours, 12,837 cycles
- Engine
- Pwa PW2037
- Engine time
- 29,431 hours, 10,998 cycles
- System (JASC)
- 7230 · Turbine Engine Compressor Section
- Part
- Carbon Seal
- Part number
- 1A7838
- Condition
- Failed
- Location
- Lp Compressor
- Stage of operation
- NR
- How discovered
- O
- Nature of condition
- B
- Precautionary procedure
- A
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.