What was found
DURING OVERNIGHT CHECK, UPPER DECK FORWARD HALF EMERGENCY FLOOR TRACK LIGHTS INOP. MAINTENANCE REMOVED AND REPLACED POWER SUPPLY. OPERATIONAL CHECKED GOOD AND AIRCRAFT WAS RETURNED TO SERVICE.
- Difficulty date
- November 29, 2007
- Submitted
- December 4, 2007
- Operation
- Air carrier
- Aircraft
- N661US
- Make and model
- Boeing 747451
- Aircraft serial
- 23719
- Aircraft time
- 77,585 hours, 10,403 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Power Supply
- 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.