What was found
NR 3 ENGINE WENT TO EEC ALT MODE AND SHORTLY AFTER THAT THE ENGINE SHUT DOWN. ACPD ENGINE NR 2 PMA ALTERNATOR REPLACEMENT, ENGINE RUNUP TEST OK. NO MESSAGE REMAINED.
- Difficulty date
- October 12, 2016
- Submitted
- October 12, 2016
- Operation
- Air carrier
- Aircraft
- N121UA
- Make and model
- Boeing 747422
- Aircraft serial
- 29167
- Aircraft time
- 71,198 hours, 8,049 cycles
- Engine
- Pwa PW4056
- System (JASC)
- 7320 · Fuel Controlling System
- Part
- Stator
- Part number
- 4300702
- Part serial
- 0332
- Condition
- Failed
- Location
- Eec Alternator
- Stage of operation
- CR
- How discovered
- O
- Nature of condition
- Y
- Precautionary procedure
- A
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.