What was found
WHILE ACCOMPLISHING OPERATIONAL CHECK OF EPSU BATTERY CAPACITY FOUND ALL FOUR BATTERIES TO HAVE FAILED: 10WL,11WL,12WL,13WL. REMOVED AND REPLACED ALL FOUR EPSU BATTERIES, IAW A320 AMM 33-51-38. OPS CHECK GOOD.
- Difficulty date
- September 17, 2020
- Submitted
- September 18, 2020
- Operation
- Air carrier
- Aircraft
- N248NV
- Make and model
- Airbus A320214
- Aircraft serial
- 7781
- Aircraft time
- 8,867 hours, 4,595 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Epsu
- Part number
- 321431
- Part serial
- 834711
- Condition
- Failed
- Location
- Emergency Lights
- Stage of operation
- IN
- How discovered
- C
- Nature of condition
- L, J
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.