What was found
DURING A MAINTENANCE VISIT, THE UPPER DECK EMERGENCY FLASH LIGHT INDICATOR WAS NOT ILLUMINATED. MAINTENANCE REPLACED THE FLASHLIGHT BATTERY AND INSTALLED THE SEAL. SYSTEM OPERATION WAS NORMAL AFTER THE BATTERY WAS REPLACED.
- Difficulty date
- March 16, 2012
- Submitted
- March 19, 2012
- Operation
- Air carrier
- Aircraft
- N668US
- Make and model
- Boeing 747451
- Aircraft serial
- 24223
- Aircraft time
- 93,324 hours, 11,530 cycles
- System (JASC)
- 2560 · Emergency Equipment
- Part
- Battery
- Condition
- Discharged
- Location
- Flashlight
- 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.