What was found
AIRCRAFT WAS NOT GROUNDED: EMERGENCY POWER SUPPLY UNIT CABIN INTERCOMMUNICATION DATA SYSTEM TEST FAIL 12WL. REMOVED AND REPLACED EMERGENCY POWER SUPPLY UNIT BATTERIES AT 12WL PER AMM 33-51-38.
- Difficulty date
- April 14, 2021
- Submitted
- April 15, 2021
- Operation
- Air carrier
- Aircraft
- N132AN
- Make and model
- Airbus A321231
- Aircraft serial
- 6473
- Aircraft time
- 20,927 hours, 5,765 cycles
- System (JASC)
- 2300 · Communications System
- Part
- Battery
- Part number
- 321431
- Condition
- No Test
- Location
- Ids
- 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.