What was found
EMERGENCY LIGHTS INOP IN FIRST CLASS LEFT AND RIGHT SIDE. REPLACED BATTERY PACK M7916 AND M7915. TEST OKAY.
- Difficulty date
- March 1, 2011
- Submitted
- March 4, 2011
- Operation
- Air carrier
- Aircraft
- N121UA
- Make and model
- Boeing 747422
- Aircraft serial
- 29167
- Aircraft time
- 49,493 hours, 5,888 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.