What was found
AIRCRAFT WAS GROUNDED: DIRTY SOCK SMELL ON TAKE OFF AND DESCENT. MAINTENANCE BORESCOPED LH ENGINE AND FOUND INTERNAL OIL WEEPING. REPLACED ENGINE.
- Difficulty date
- January 5, 2025
- Submitted
- January 11, 2025
- Operation
- Air carrier
- Aircraft
- N757AN
- Make and model
- Boeing 777223
- Aircraft serial
- 32636
- Aircraft time
- 87,219 hours, 11,328 cycles
- Engine
- Rroyce TRENTXWB97
- System (JASC)
- 7200 · Engine (Turbine/Turboprop)
- Part
- Engine
- Part number
- 332W5569408
- Part serial
- 51248
- Condition
- Leaking
- Location
- Left
- Part time
- 82,525 hours, 10,712 cycles
- Stage of operation
- DE
- How discovered
- O
- Nature of condition
- B
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.