What was found
AIRCRAFT WAS NOT GROUNDED. PERFORMED EPSU (14WL) SYSTEM TEST AND IT FAILED. REPLACED EMERGENCY POWER SUPPLY UNIT PER AMM 33-51-38.
- Difficulty date
- November 11, 2018
- Submitted
- November 15, 2018
- Operation
- Air carrier
- Aircraft
- N165NN
- Make and model
- Airbus A321231
- Aircraft serial
- 6956
- Aircraft time
- 7,725 hours, 2,955 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Power Supply
- Part number
- BAT0000
- Part serial
- 790804
- Condition
- Failed
- 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.