What was found
DURING OVERNIGHT LINE CHECK, FOUND DOOR 1 LEFT EMERGENCY EXIT SIGN WILL NOT TURN ON. MAINTENANCE REMOVED AND REPLACED BATTERY. OPERATIONAL CHECKED GOOD AND AIRCRAFT RETURNED TO SERVICE.
- Difficulty date
- October 19, 2006
- Submitted
- October 20, 2006
- Operation
- Air carrier
- Aircraft
- N638US
- Make and model
- Boeing 747251B
- Aircraft serial
- 23549
- Aircraft time
- 78,915 hours, 10,461 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery
- Condition
- Inoperative
- Location
- Emergency Light
- 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.