What was found
AIRCRAFT IN BASE MAINTENANCE: EMERGENCY POWER SUPPLY UNIT 10WL FAILS TEST. REPLACED POWER SUPPLY (AALA202204226964) AND REPLACED BATTERY (AALA202204228802) PER AMM 33-51-38-400. OPERATIONAL CHECK NORMAL.
- Difficulty date
- April 21, 2022
- Submitted
- April 22, 2022
- Operation
- Air carrier
- Aircraft
- N710UW
- Make and model
- Airbus A319112
- Aircraft serial
- 1019
- Aircraft time
- 61,221 hours, 35,663 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Power Supply
- Part number
- 321454
- Part serial
- 335
- Condition
- Faulty
- Location
- Zone 200 - Fuse
- Part time
- 44,629 hours, 18,500 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.