What was found
AIRCRAFT WAS NOT GROUNDED: DURING PS CHECK CABIN INTERCOMMUNICATION DATA SYSTEM 1 TEST FOUND BATTERY 15WL FAULT. REMOVED AND REPLACED EMERGENCY LIGHT UNIT 15WL BATTERY PER AMM 33-51-38.
- Difficulty date
- July 30, 2021
- Submitted
- August 2, 2021
- Operation
- Air carrier
- Aircraft
- N122NN
- Make and model
- Airbus A321231
- Aircraft serial
- 6252
- Aircraft time
- 22,511 hours, 6,514 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery
- Part number
- 321431
- Condition
- Faulted
- 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.