What was found
PHX - EEL - DURING 4-DAY CHECK THE LT FORWARD EMERGENCY POWER SUPPLY UNIT FAILED TEST. MAINTENANCE REMOVED AND REPLACED EMERGENCY POWER SUPPLY UNIT 10WL, OPERATIONAL CHECK WAS GOOD.
- Difficulty date
- May 19, 2004
- Submitted
- May 20, 2004
- Operation
- Air carrier
- Aircraft
- N629AW
- Make and model
- Airbus A320231
- Aircraft serial
- 076
- Aircraft time
- 46,671 hours, 21,081 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Epsu
- Part number
- 321454
- Part serial
- 524
- Condition
- Out Of Tolerance
- Location
- Zone 221
- Part time
- 41,036 hours, 18,607 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.