What was found
AIRCRAFT WAS GROUNDED: MID RIGHT EMERGENCY POWER SUPPLY UNIT BATTERY FAILED TEST. REPLACED EMERGENCY POWER SUPPLY UNIT BATTERY IAW AMM 33-51-38.
- Difficulty date
- March 24, 2021
- Submitted
- March 25, 2021
- Operation
- Air carrier
- Aircraft
- N156UW
- Make and model
- Airbus A321211
- Aircraft serial
- 5684
- Aircraft time
- 22,966 hours, 9,248 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery
- Condition
- Failed
- 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.