What was found
DEN - EEL - DURING 4 DAY CHECK THE EMERGENCY LIGHT SYSTEM FAILED TEST. MAINTENANCE REMOVED AND REPLACED LT OVERWING EMERGENCY POWER SUPPLY UNIT (11WL), OPERATIONAL CHECK WAS GOOD.
- Difficulty date
- May 25, 2004
- Submitted
- May 26, 2004
- Operation
- Air carrier
- Aircraft
- N621AW
- Make and model
- Airbus A320231
- Aircraft serial
- 053
- Aircraft time
- 47,258 hours, 21,448 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Epsu
- Part number
- 321454
- Part serial
- 0721
- Condition
- Faulty
- Location
- Zone 241
- Part time
- 20,210 hours, 8,039 cycles
- 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.