What was found
AIRCRAFT WAS NOT GROUNDED: FAILED TEST OF EMERGENCY POWER SUPPLY UNIT 13WL, LOCATED IN LH AFT CABIN. REPLACED EPSU WITH NEW IAW AMM 33-51-38, OPS CHECK GOOD.
- Difficulty date
- August 28, 2020
- Submitted
- August 31, 2020
- Operation
- Air carrier
- Aircraft
- N157AA
- Make and model
- Airbus A321231
- Aircraft serial
- 6998
- Aircraft time
- 13,541 hours, 5,179 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Power Supply
- Part number
- 32146210
- Condition
- Inoperative
- Location
- Emergency Lights
- 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.