What was found
STRONG PUNGENT ODOR IN FLIGHT DECK. CAUSE: NR 1 ENGINE BOROSCOPE DISCOVERED OIL IN COMPRESSOR. OIL WETTING AND STREAKS AT STAGES 1, 2 AND 3 HPC BLADES AND VANES. REPLACED NR 1 ENGINE.
- Difficulty date
- July 14, 2008
- Submitted
- January 23, 2009
- Operation
- Air carrier
- Aircraft
- N936UA
- Make and model
- Boeing 737522
- Aircraft serial
- 26667
- Aircraft time
- 44,841 hours, 28,152 cycles
- Engine
- Cfmint CFM563C1
- Engine time
- 51,104 hours, 29,649 cycles
- System (JASC)
- 7200 · Engine (Turbine/Turboprop)
- Part
- Engine
- Condition
- Leaking
- Location
- Nr 1
- Stage of operation
- CL
- How discovered
- O
- Nature of condition
- K, B
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.