What was found
AIRCRAFT WAS NOT GROUNDED: EMERGENCY POWER SUPPLY UNIT TEST FAILED 15WL BATTERY. REMOVED AND REPLACED MID LEFT EMERGENCY POWER SUPPLY UNIT TEST (15WL) BATTERY PER AMM 33-51-38.
- Difficulty date
- June 8, 2021
- Submitted
- June 9, 2021
- Operation
- Air carrier
- Aircraft
- N152AA
- Make and model
- Airbus A321231
- Aircraft serial
- 6887
- Aircraft time
- 16,560 hours, 6,382 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery
- Part number
- 321431
- Condition
- Failed
- Location
- Emergency Lights
- 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.