What was found
AIRCRAFT WAS NOT GROUNDED: FORWARD LEFT EMERGENCY POWER SUPPLY UNIT BATTERY TEST FAILED. MAINTENANCE ACCOMPLISHED SATISFACTORY OPERATIONAL CHECK OF EMERGENCY POWER SUPPLY UNIT BATTERY PER AMM 33-51-00.
- Difficulty date
- October 19, 2019
- Submitted
- October 21, 2019
- Operation
- Air carrier
- Aircraft
- N189UW
- Make and model
- Airbus A321211
- Aircraft serial
- 1425
- Aircraft time
- 62,814 hours, 23,536 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery
- Condition
- No Test
- 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.