What was found
UPPER DECK LEFT LIGHT OUT ON PRESSURE GAUGE WHEN EMERGENCY EXIT LIGHTS ON. REPLACED BATTERY PACK, LIGHTS CHECKED OK.
- Difficulty date
- August 1, 2011
- Submitted
- August 5, 2011
- Operation
- Air carrier
- Aircraft
- N173UA
- Make and model
- Boeing 747422
- Aircraft serial
- 24380
- Aircraft time
- 83,258 hours, 9,442 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.