What was found
AT CRUISE, NR 4 ENGINE LOST THRUST AND FLAMED OUT. JUST PRIOR TO FLAME-OUT, RECEIVED EEC MODE EICAS MESSAGE. PERMANENT MAGNET ALTERNATOR (PMA) FAILED IN BOTH CHANNELS. REPLACED PMA.
- Difficulty date
- September 5, 1996
- Submitted
- March 26, 2000
- Operation
- Air carrier
- Aircraft
- N188UA
- Make and model
- Boeing 747422
- Aircraft serial
- 26877
- Engine
- Pwa PW4056
- System (JASC)
- 7321 · Fuel Control/Turbine Engines
- Part
- Pma
- Condition
- Failed
- Location
- Nr 4 Engine
- Component
- Alidsignal · 90454652
- Stage of operation
- CR
- Nature of condition
- J, X
- Precautionary procedure
- A
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.