What was found
NR 4 ENG WILL NOT ROTATE WHEN START IS ATTEMPTED. CYCLED CB J18 & ATTEMPTED SECOND START, STILL NO ROTATION. AIRCRAFT RETURNED TO GATE.
- Difficulty date
- January 2, 2014
- Submitted
- January 3, 2014
- Operation
- Air carrier
- Aircraft
- N178UA
- Make and model
- Boeing 747422
- Aircraft serial
- 24385
- Aircraft time
- 96,675 hours, 11,551 cycles
- Engine
- Pwa PW4056
- System (JASC)
- 8000 · Engine Starting System
- Part
- Unknown
- Condition
- Malfunctioned
- Location
- Nr 4 Engine
- Stage of operation
- TX
- How discovered
- O
- Nature of condition
- O
- Precautionary procedure
- D
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.