What was found
AIRCRAFT WAS NOT GROUNDED: DURING OPERATIONS CHECK OF EMERGENCY LIGHTS TEST, FLAGGED EPSU BATTERY. MAINTENANCE REPLACED EPSU BATTERY PER AMM 33-51-38-401.
- Difficulty date
- June 30, 2019
- Submitted
- July 1, 2019
- Operation
- Air carrier
- Aircraft
- N188US
- Make and model
- Airbus A321211
- Aircraft serial
- 1724
- Aircraft time
- 57,545 hours, 21,562 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery
- Condition
- Discharged
- Location
- Cabin
- Stage of operation
- NR
- 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.