What was found
EPSU BATTERY 15WL AND 14WL FAILED A CAPACITY CHECK. R & R EPSU BATTERIES AT 15WL AND 14WL IAW AMM 33-51-38OPS TEST GOOD.
- Difficulty date
- January 26, 2020
- Submitted
- January 30, 2020
- Operation
- Air carrier
- Aircraft
- N957JB
- Make and model
- Airbus A321231
- Aircraft serial
- 6809
- Aircraft time
- 17,901 hours, 5,805 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery
- Part number
- 321431
- Part serial
- 816094
- Condition
- Failed
- Location
- 14wl-Batt
- Part time
- 8,642 hours, 2,798 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.