What was found
AIRCRAFT IN BASE MAINTENANCE - L4 DOOR EMERGENCY EXIT LIGHTS DO NOT COME ON WHEN COMMANDED. REMOVED AND REPLACED AFT CENTER EPSU (EMERGENCY POWER SUPPLY UNIT) 13WL PER AMM 33-51-38, AND JOB CARD 2827, OPERATIONAL CHECK GOOD.
- Difficulty date
- August 19, 2020
- Submitted
- August 20, 2020
- Operation
- Air carrier
- Aircraft
- N122NN
- Make and model
- Airbus A321231
- Aircraft serial
- 6252
- Aircraft time
- 20,123 hours, 5,674 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Power Supply
- Part number
- 32146210
- Part serial
- 146636
- 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.