What was found
AIRCRAFT WAS NOT GROUNDED. PERFORMED CIDS 1 TEST, FAULTED WITH "EPSU (13WL) AFT L" MESSAGE. REPLACED BATTERY OF EPSU PER AMM 33-51-38.
- Difficulty date
- May 14, 2018
- Submitted
- May 15, 2018
- Operation
- Air carrier
- Aircraft
- N552UW
- Make and model
- Airbus A321231
- Aircraft serial
- 4957
- Aircraft time
- 22,885 hours, 8,372 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery
- Condition
- Faulted
- 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.