What was found
DURING HEAVY MAINTENANCE, EPSU AT LOCATION 15WL FAILED OPS CK THRU MCDU; REMOVED REPLACED EPSU @ MID LEFT 15WL IAW AMM 33-51-38-400-001-A. OPS CKS GOOD. SUPPLEMENTAL INFORMATION TO FOLLOW.
- Difficulty date
- June 22, 2019
- Submitted
- June 29, 2019
- Operation
- Air carrier
- Aircraft
- N966JT
- Make and model
- Airbus A321231
- Aircraft serial
- 7230
- Aircraft time
- 11,896 hours, 3,982 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Power Supply
- 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.