What was found
DURING HEAVY MAINTENANCE, INOP EPSU BATTERY FIN 12WL AT PASSENGER CABIN; R & R BATTERY EPSU FIN (12WL) IAW AMM 33-51-38-400-002-A. PERFORMED OPERATIONAL TEST IAW AMM 33-51-00-710-001-A. TEST IS OK.
- Difficulty date
- April 21, 2021
- Submitted
- April 27, 2021
- Operation
- Air carrier
- Aircraft
- N834JB
- Make and model
- Airbus A320232
- Aircraft serial
- 5782
- Aircraft time
- 28,329 hours, 8,809 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery
- Part number
- 321431
- Part serial
- 787390
- Condition
- Failed
- Location
- Emergency Lights
- Part time
- 3,017 hours, 1,027 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.