What was found
CREW REPORT: NO ROTATION ON NR 2 ENGINE AT START WITH A CORRESPONDING NO START VLV & STARTER CUTOUT MSG. START VALVE OPEN LIGHT REMAINS ON WITH START VALVE CONFIRMED CLOSED. REPLACED START VALVE PER MM AND CHECKS OKAY.
- Difficulty date
- November 14, 2012
- Submitted
- November 27, 2012
- Operation
- Air carrier
- Aircraft
- N105UA
- Make and model
- Boeing 747451
- Aircraft serial
- 26473
- Aircraft time
- 75,529 hours, 8,889 cycles
- Engine
- Pwa PW4056
- System (JASC)
- 8012 · Engine Start Valves/Controls
- Part
- Start Valve
- Part number
- S332T00213
- Part serial
- 704
- Condition
- Faulty
- Location
- Nr 2 Engine
- Stage of operation
- IN
- How discovered
- O
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.