- Difficulty date
- December 23, 2008
- Submitted
- December 23, 2008
- Operation
- Air carrier
- Aircraft
- N174UA
- Make and model
- Boeing 747422
- Aircraft serial
- 24381
- Aircraft time
- 73,487 hours, 8,240 cycles
- Engine
- Pwa PW4056
- Part
- Battery
- Part number
- 582233
- Condition
- Discharged
- 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.
What was found
RT OVERWING EMERGENCY LIGHTS FWD AND AFT INOP. REPLACED BATTERY, CHECKS OK.