What was found
ESPU SYSTEM TEST FAILED. BAT/ESPU (14WL) MID R FAULT. CORRECTIVE ACTION: PERFORMED OPERATIONAL BITE CHECK OF ESPU AT 14WL. DISPLAYED BATTERY FAULT. REMOVED AND REPLACED BATTERY AT ESPU 14WL, PER A321 AMM 33-51-38. BITE TEST SUCCESSFUL
- Difficulty date
- September 19, 2020
- Submitted
- September 22, 2020
- Operation
- Air carrier
- Aircraft
- N330DX
- Make and model
- Airbus A321211
- Aircraft serial
- 7896
- Aircraft time
- 8,319 hours, 3,665 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery Pack
- Condition
- No Test
- Location
- Emergency Lights
- 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.