What was found
LAS - EEL - DURING 8-DAY CHECK THE LT OVERWING EMERGENCY POWER SUPPLY UNIT (11WL) FAILED TEST. MAINTENANCE REMOVED AND REPLACED LT OVERWING EMERGENCY POWER SUPPLY UNIT (11WL), OPERATIONAL CHECK WAS GOOD.
- Difficulty date
- January 8, 2005
- Submitted
- January 10, 2005
- Operation
- Air carrier
- Aircraft
- N631AW
- Make and model
- Airbus A320231
- Aircraft serial
- 077
- Aircraft time
- 48,457 hours, 21,868 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Power Supply
- Part number
- 321454
- Part serial
- 2192
- Condition
- Failed
- Location
- Cabin
- Part time
- 29,307 hours, 12,149 cycles
- Stage of operation
- IN
- How discovered
- C
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.