What was found
AIRCRAFT WAS GROUNDED: EMERGENCY POWER SUPPLY 15WL FAIL TEST. REMOVED AND REPLACED EMERGENCY POWER SUPPLY UNIT BATTERY AT 15WL PER A320 AMM 33-51-38-000-002-A AND AMM 33-51-38-400-002-A.
- Difficulty date
- October 20, 2021
- Submitted
- October 21, 2021
- Operation
- Air carrier
- Aircraft
- N973UY
- Make and model
- Airbus A321231
- Aircraft serial
- 4893
- Aircraft time
- 33,021 hours, 12,511 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery
- Condition
- Failed
- Location
- Zone 200 - Fuse
- Stage of operation
- IN
- How discovered
- V
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.