What was found
EMERGENCY CEILING LIGHT DOOR 3L THROUGH DOOR 4L ARE INOP. REPLACED BATTERY ABOVE SEAT 36. OP CHECK NORMAL.
- Difficulty date
- August 1, 2010
- Submitted
- August 2, 2010
- Operation
- Air carrier
- Aircraft
- N178UA
- Make and model
- Boeing 747422
- Aircraft serial
- 24385
- Aircraft time
- 83,519 hours, 10,175 cycles
- Engine
- Pwa PW4056
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery
- 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.