What was found
AIRCRAFT WAS NOT GROUNDED. CIDS CHECK NR 1 FAILED TEST, EMERGENCY POWER SUPPLY UNIT (5WL) MID L FAULT. REPLACED EMERGENCY POWER SUPPLY UNIT PER AMM 33-51-38-401. CIDS CHECK NR 1 PASSED.
- Difficulty date
- May 19, 2018
- Submitted
- May 23, 2018
- Operation
- Air carrier
- Aircraft
- N158AN
- Make and model
- Airbus A321231
- Aircraft serial
- 7009
- Aircraft time
- 6,935 hours, 2,687 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Power Supply
- Part number
- 321431
- Part serial
- 782670
- Condition
- Faulted
- 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.