What was found
DURING EPSU BATTERY CAPACITY TEST, EPSUS FIN 10WL, 11WL 12WL AND 13WL FAILED TEST. CORRECTIVE ACTION: REMOVED AND REPLACED EPSU BATTERIES FIN 10WL, 11WL, 12WL AND 13WL, TEST OK AT THIS TIME, REF AMM 33-51-00-920-050-A.
- Difficulty date
- December 19, 2020
- Submitted
- December 21, 2020
- Operation
- Air carrier
- Aircraft
- N328FR
- Make and model
- Airbus A320251N
- Aircraft serial
- 08118
- Aircraft time
- 9,386 hours, 4,055 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery
- Part number
- 321431
- Condition
- No Test
- Location
- Emergency Lights
- Part time
- 9,386 hours, 4,055 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.