What was found
AIRCRAFT WAS GROUNDED: EMERGENCY POWER SUPPLY UNIT SYSTEM TEST SHOWS FAULT AT 15WL. REPLACED BATTERY FOR 15WL PER AMM 33-51-38.
- Difficulty date
- October 1, 2020
- Submitted
- October 5, 2020
- Operation
- Air carrier
- Aircraft
- N142AN
- Make and model
- Airbus A321231
- Aircraft serial
- 6711
- Aircraft time
- 16,061 hours, 6,086 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery
- Part number
- 321431
- Condition
- Faulted
- 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.