What was found
AIRCRAFT IN BASE VISIT: MAINTENANCE FOUND INOP EPSU-EMERGENCY POWER SUPPLY UNIT 14WL IN PASSENGER CABIN. REPLACED EMERGENCY POWER SUPPLY UNIT (14WL) IN PASSENGER CABIN IAW AMM 33-51-38-400-001-A. BITE TEST IS OK.
- Difficulty date
- April 21, 2019
- Submitted
- April 23, 2019
- Operation
- Air carrier
- Aircraft
- N174US
- Make and model
- Airbus A321211
- Aircraft serial
- 1492
- Aircraft time
- 61,211 hours, 23,082 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Power Supply
- Part number
- 32145510
- Part serial
- 2114
- Condition
- Inoperative
- Location
- Emergency Lights
- Part time
- 56,708 hours, 21,137 cycles
- 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.