What was found
AIRCRAFT IN BASE MAINTENANCE - L1 DOOR EPSU (EMERGENCY POWER SUPPLY UNIT) FAILED EMERGENCY LIGHT TEST. REMOVED AND REPLACED L1 EPSU 10WL PER AMM 33-58-38, OPERATIONAL CHECK GOOD.
- Difficulty date
- July 26, 2020
- Submitted
- July 28, 2020
- Operation
- Air carrier
- Aircraft
- N149AN
- Make and model
- Airbus A321231
- Aircraft serial
- 6812
- Aircraft time
- 14,795 hours, 5,717 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Power Supply
- Part number
- 32146210
- Part serial
- 150332
- Condition
- No Test
- 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.