What was found
AIRCRAFT WAS GROUNDED: EMERGENCY POWER SUPPLY UNIT TEST FAILED BATTERY (15WL). INSTALLED NEW SERVICEABLE BATTERY PER AMM 33-51-08.
- Difficulty date
- June 11, 2021
- Submitted
- June 14, 2021
- Operation
- Air carrier
- Aircraft
- N572UW
- Make and model
- Airbus A321231
- Aircraft serial
- 5899
- Aircraft time
- 24,534 hours, 9,553 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery
- Condition
- No Test
- Location
- Emergency Lights
- 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.