What was found
LT UPPER DECK DOOR SLIDE ILLUMINATION LIGHTS INOP. INOPED DOOR PER MEL. REF WD & RELAMPED L2927 AND L2930, NO HELP. SUSPECT M7027 NEEDS NEW BATTERY. REPLACED LEFT BATTERY PACK M7027 REF WD, TEST OKAY.
- Difficulty date
- April 18, 2011
- Submitted
- May 10, 2011
- Operation
- Air carrier
- Aircraft
- N174UA
- Make and model
- Boeing 747422
- Aircraft serial
- 24381
- Aircraft time
- 83,067 hours, 9,318 cycles
- Engine
- Pwa PW4056
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery Pack
- Part number
- 582233
- Condition
- Discharged
- Location
- Cabin
- Stage of operation
- IN
- How discovered
- C
- Nature of condition
- L
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.