What was found
AIRCRAFT WAS NOT GROUNDED. EMERGENCY POWER SUPPLY UNIT AT 12WL FAILED TEST. REMOVED AND REPLACED EPSU BATTERY IAW AMM 33-51-38. OPERATIONAL CHECK GOOD.
- Difficulty date
- February 21, 2017
- Submitted
- February 23, 2017
- Operation
- Air carrier
- Aircraft
- N157AA
- Make and model
- Airbus A321231
- Aircraft serial
- 6998
- Aircraft time
- 3,289 hours, 1,233 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery
- Part number
- 321431
- Part serial
- 778422
- Condition
- Discharged
- Location
- Cabin
- 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.