What was found
AIRCRAFT WAS NOT GROUNDED: EMERGENCY POWER SUPPLY UNIT 12WO FAILS BATTERY TEST. REPLACED BATTERY PACK PER AMM 33-51-38/0401.
- Difficulty date
- January 21, 2022
- Submitted
- January 21, 2022
- Operation
- Air carrier
- Aircraft
- N409AA
- Make and model
- Airbus A321253NX
- Aircraft serial
- 9178
- Aircraft time
- 5,604 hours, 1,649 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery Pack
- 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.