What was found
DURING OVERNIGHT CHECK, FOUND UPPER DECK FORWARD EMERGENCY LIGHTS INOP. MAINTENANCE REMOVED AND REPLACED POWER SUPPLY M335 AND BATTERY. OPERATIONAL CHECKED GOOD AND AIRCRAFT WAS RETURNED TO SERVICE.
- Difficulty date
- March 20, 2008
- Submitted
- March 21, 2008
- Operation
- Air carrier
- Aircraft
- N667US
- Make and model
- Boeing 747451
- Aircraft serial
- 24222
- Aircraft time
- 78,048 hours, 9,531 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.