What was found
DURING HEAVY MAINTENANCE, DISCHARGED BATTERY OF EPSU 13WL; (REF. AERO N/R 2021-134068 W/O:2021 70/1) R & R BATTERY OF EPSU (13WL) I.A.W A.M.M 33-51-38-400-001 AND PERFORMED BITE TEST I.A.W A.M.M 33-51-00-710-001. TEST IS OK.
- Difficulty date
- April 4, 2021
- Submitted
- April 9, 2021
- Operation
- Air carrier
- Aircraft
- N535JB
- Make and model
- Airbus A320232
- Aircraft serial
- 1739
- Aircraft time
- 72,299 hours, 26,169 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery
- Part number
- 321431
- Part serial
- 871921
- Condition
- Failed
- Location
- 11wl-Batt
- Part time
- 1,300 hours, 502 cycles
- Stage of operation
- IN
- How discovered
- C
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.