What was found
DURING OVERNIGHT CHECK, ZONE D FLOOR EMERGENCY LIGHTS WERE INOP. MAINTENANCE REMOVED AND REPLACED BATTERY PACK. OPERATIONAL CHECKED GOOD, AND AIRCRAFT RETURNED TO SERVICE.
- Difficulty date
- January 20, 2007
- Submitted
- January 23, 2007
- Operation
- Air carrier
- Aircraft
- N638US
- Make and model
- Boeing 747251B
- Aircraft serial
- 23549
- Aircraft time
- 79,471 hours, 10,629 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.