What was found
INOPERABLE EMERGENCY POWER SUPPLY UNIT (EPSU) 14WL AND 16WL IN PASSENGER CABIN. CORRECTIVE ACTION: REPLACED INOPERABLE EMERGENCY POWER SUPPLY UNIT (EPSU) 14WL AND 16WL IN PASSENGER CABIN, AS PER A330 AMM 33-51.
- Difficulty date
- December 20, 2020
- Submitted
- December 23, 2020
- Operation
- Air carrier
- Aircraft
- N801NW
- Make and model
- Airbus A330323
- Aircraft serial
- 0524
- Aircraft time
- 74,128 hours, 9,607 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Power Supply
- Condition
- Inoperative
- Location
- Emergency Lights
- Stage of operation
- IN
- How discovered
- 9
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.