What was found
SHUT DOWN NR 2 ENGINE. REMOVED ENGINE AND FOUND A FAILURE OF THE ANGLE GEARBOX. THE FAILURE OF THE ANGLE GEARBOX CAUSED FAILURES IN THE MAIN GEARBOX CAUSING THE LOSS OF N2 AND OIL PRESSURE.
- Difficulty date
- August 4, 2003
- Submitted
- August 19, 2003
- Operation
- Air carrier
- Aircraft
- N116UA
- Make and model
- Boeing 747422
- Aircraft serial
- 26908
- Aircraft time
- 19,120 hours, 2,362 cycles
- Engine
- Pwa PW4056
- Engine time
- 49,457 hours, 5,607 cycles
- System (JASC)
- 7200 · Engine (Turbine/Turboprop)
- Part
- Engine
- Condition
- Shutdown
- Location
- Nr 2
- Stage of operation
- CR
- How discovered
- O
- Nature of condition
- R, X, J
- Precautionary procedure
- E
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.