What was found
AIRCRAFT WAS GROUNDED: AFTER R3 SLIDE CHANGE, EPSU TEST RESULTED IN BAT/EPSU(10WL) FWLL AND EPSU (14WL)MID R. REMOVED AND REPLACED EMERGENCY POWER UNIT (AALA202310093811) AND BATTERY (AALA202310091842) (ON 14WL.
- Difficulty date
- October 8, 2023
- Submitted
- October 9, 2023
- Operation
- Air carrier
- Aircraft
- N537UW
- Make and model
- Airbus A320*
- Aircraft serial
- 4041
- Aircraft time
- 43,259 hours, 17,215 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery
- Part number
- AD321431
- Condition
- Inoperative
- Location
- Zone 200 - Fuse
- Stage of operation
- IN
- How discovered
- 9
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.