What was found
AIRCRAFT IN BASE MAINTENANCE - EPSU 14WL TEST FAILED. REPLACED EPSU 14WL BATTERY PER AMM 33-51-38, OPERATIONAL CHECK GOOD.
- Difficulty date
- June 10, 2020
- Submitted
- June 11, 2020
- Operation
- Air carrier
- Aircraft
- N509AY
- Make and model
- Airbus A321231
- Aircraft serial
- 3796
- Aircraft time
- 40,530 hours, 14,521 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery
- Part number
- 321431
- Condition
- Failed
- 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.