What was found
DURING HEAVY MAINTENANCE, EPSU'S 12WL/14WL FAILED OPS CHECK; REF LHT NR 5200000680-005000929843. REPLACED EPSU BATTERIES 12WL/14WL IAW A321 AMM 33-51-38-400-002-A. OPS CHECK GOOD.
- Difficulty date
- October 28, 2019
- Submitted
- November 1, 2019
- Operation
- Air carrier
- Aircraft
- N942JB
- Make and model
- Airbus A321231
- Aircraft serial
- 6279
- Aircraft time
- 22,583 hours, 4,340 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery
- Part number
- 321431
- Part serial
- 795323
- Condition
- Failed
- Location
- Cabin
- Part time
- 12,757 hours, 2,461 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.