What was found
NR 2 ENGINE INFLIGHT SHUTDOWN DUE TO LOW OIL PRESSURE. MAINTENANCE PERFORMED NR 2 ENGINE GEARBOX PRESSURE CHECK, FOUND IDG CARBON SEAL LEAKING. MAINTENANCE REPLACED IDG CARBON SEAL, COMPLIED WITH LEAK CHECK AND NO LEAKS NOTED.
- Difficulty date
- July 23, 2015
- Submitted
- July 24, 2015
- Operation
- Air carrier
- Aircraft
- N665US
- Make and model
- Boeing 747451
- Aircraft serial
- 23820
- Aircraft time
- 108,522 hours, 13,444 cycles
- Engine
- Pwa PW4056
- System (JASC)
- 7931 · Engine Oil Pressure
- Part
- Carbon Seal
- Condition
- Leaking
- Location
- Nr 2 Engine
- Stage of operation
- CR
- How discovered
- O
- Nature of condition
- K, J
- Precautionary procedure
- E, A
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.