What was found
AIRCRAFT NOT GROUNDED: MAINTENANCE REPORTS EPSU FAULT NOTED DURING TEST ON JOB CARD 25-92-02 LOCATION 12WL. REMOVED AND REPLACED EMERGENCY POWER UNIT ON 12WL IAW AMM 33-51-38-00-001-A AND AMM 33-51-38-400-001A. OPS CHECKED GOOD.
- Difficulty date
- September 12, 2019
- Submitted
- September 16, 2019
- Operation
- Air carrier
- Aircraft
- N930AU
- Make and model
- Airbus A321231
- Aircraft serial
- 7539
- Aircraft time
- 8,622 hours, 3,227 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Power Supply
- Part number
- AD321431
- Part serial
- 797962
- Condition
- Faulted
- Location
- Cabin
- 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.