What was found
LEFT OVERWING EMERGENCY LIGHTS INOPERATIVE. REPLACED EMERGENCY BATTERY PACK, OPS CHECKED OK.
- Difficulty date
- November 24, 2011
- Submitted
- November 30, 2011
- Operation
- Air carrier
- Aircraft
- N121UA
- Make and model
- Boeing 747422
- Aircraft serial
- 29167
- Aircraft time
- 52,575 hours, 6,227 cycles
- Engine
- Pwa PW4056
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery Pack
- Part number
- 582233
- Condition
- Inoperative
- Location
- Emergency Lights
- 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.