What was found
AIRCRAFT NOT GROUNDED: MAINTENANCE REPORTS EMERGENCY BATTERY AT LOCATION 11WL FAILED EPSU SYS TEST. REMOVED AND REPLACED EMERGENCY BATTERY AT LOCATION 11WL EMERGENCY POWER SUPPLY UNIT IAW AMM 33-51-38, EPSU SYS TEST PASSED.
- Difficulty date
- October 19, 2019
- Submitted
- October 21, 2019
- Operation
- Air carrier
- Aircraft
- N164NN
- Make and model
- Airbus A321231
- Aircraft serial
- 6909
- Aircraft time
- 11,166 hours, 4,182 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery
- Part number
- 321431
- Part serial
- 798331
- 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.