What was found
AIRCRAFT WAS NOT GROUNDED: EMERGENCY POWER SUPPLY UNIT 12WL FAILS TEST. REPLACED POWER SUPPLY UNIT (AALA202111171189) AND BATTERY (AALA202111175639) PER AMM 33-51-38.
- Difficulty date
- November 17, 2021
- Submitted
- November 17, 2021
- Operation
- Air carrier
- Aircraft
- N414AL
- Make and model
- Airbus A321253NX
- Aircraft serial
- 9359
- Aircraft time
- 4,896 hours, 1,364 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery
- Condition
- Failed
- Location
- Zone 200 - Fuse
- 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.