What was found
DURING LINE CHECK, FOUND UPPER DECK RT EMERGENCY LIGHT BATTERY PACK INOP. MAINTENANCE REMOVED AND REPLACED BATTERY BACK. OPERATIONAL CHECK GOOD AND AIRCRAFT RETURNED TO SERVICE.
- Difficulty date
- January 17, 2007
- Submitted
- January 18, 2007
- Operation
- Air carrier
- Aircraft
- N670US
- Make and model
- Boeing 747451
- Aircraft serial
- 24225
- Aircraft time
- 72,520 hours, 8,792 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery Pack
- Condition
- Inoperative
- Location
- Emergency Lights
- Stage of operation
- IN
- How discovered
- 9
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.