What was found
EMERGENCY FLOOR LIGHTS FLICKER ROW 53 AFT. AFTER TROUBLESHOOTING REPLACED M6013 EMERGENCY LIGHTS POWER SUPPLY ASSY AND BATTERY AS PER MAINTENANCE PRACTICES 33-51-04. LIGHTS 53 AFT OP CHECKED OK AFTER REPLACEMENT.
- Difficulty date
- April 2, 2007
- Submitted
- April 10, 2007
- Operation
- Air carrier
- Aircraft
- N121UA
- Make and model
- Boeing 747422
- Aircraft serial
- 29167
- Aircraft time
- 33,095 hours, 4,056 cycles
- Engine
- Pwa PW4056
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Power Supply
- Part number
- 582240
- Condition
- Faulty
- 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.