What was found
EMERGENCY EXIT LIGHTS IN FWD CABIN ILLUMINATED FOR A SHORT PERIOD THEN EXTINGUISHED. FOUND FAULTY BATTERY PACK. REPLACED BATTERY PACK LIGHTS CHECK OK. AC OK FOR SERVICE.
- Difficulty date
- April 19, 2008
- Submitted
- April 23, 2008
- Operation
- Air carrier
- Aircraft
- N197UA
- Make and model
- Boeing 747422
- Aircraft serial
- 26901
- Aircraft time
- 43,253 hours, 5,263 cycles
- Engine
- Pwa PW4056
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery Pack
- Part number
- 90085
- Condition
- Faulty
- 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.