What was found
FLT 364, UVF-BOS. EPSU 11WL FAILED SYSTEM OPERATIONS TEST. REPLACED EPSU 11WL BATTERY, IAW AMM 33-51-38.
- Difficulty date
- November 29, 2020
- Submitted
- December 3, 2020
- Operation
- Air carrier
- Aircraft
- N989JT
- Make and model
- Airbus A321231
- Aircraft serial
- 7924
- Aircraft time
- 12,160 hours, 2,366 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery
- Part number
- 321431
- Part serial
- 855591
- Condition
- Failed
- Location
- Emergency Lights
- Part time
- 4,547 hours, 1,299 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.