What was found
AIRCRAFT NOT GROUNDED - EMERGENCY POWER SUPPY UNIT (EPSU) TEST FAULTED BATTERY 15WL. REPLACED POSITION 15WL BATTERY, PERFORMED RETEST AND OPERATIONAL CHECK GOOD PER AMM 33-51-38.
- Difficulty date
- March 22, 2020
- Submitted
- March 25, 2020
- Operation
- Air carrier
- Aircraft
- N909AM
- Make and model
- Airbus A321231
- Aircraft serial
- 7756
- Aircraft time
- 8,752 hours, 3,295 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery
- Part number
- 321431
- Condition
- Faulty
- Location
- Cabin
- Stage of operation
- IN
- How discovered
- C
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.