What was found
AIRCRAFT WAS NOT GROUNDED: DURING EMERGENCY POWER SUPPLY UNIT SYSTEM TEST. EMERGENCY BATTERY AT 10WL FAULTED. REMOVED AND REPLACED EMERGENCY POWER SUPPLY UNIT BATTERY AT 10WL PER AMM 33-51-38.
- Difficulty date
- September 26, 2021
- Submitted
- September 28, 2021
- Operation
- Air carrier
- Aircraft
- N160AN
- Make and model
- Airbus A321231
- Aircraft serial
- 7069
- Aircraft time
- 15,719 hours, 6,026 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery
- Condition
- None
- 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.