What was found
AIRCRAFT WAS GROUNDED: DURING EMERGENCY POWER SUPPLY UNIT TEST FOUND MULTIPLE FAULTS ON 13WL BATTERY PACK. FOUND 4R DOOR SLIDE LIGHTING CIRCUIT AT FAULT. REMOVED AND REPLACED 4R DOOR SLIDE ASSEMBLY.
- Difficulty date
- October 11, 2021
- Submitted
- October 14, 2021
- Operation
- Air carrier
- Aircraft
- N535UW
- Make and model
- Airbus A321231
- Aircraft serial
- 3993
- Aircraft time
- 42,002 hours, 15,175 cycles
- System (JASC)
- 2565 · Escape Slide
- Part
- Slide
- Part number
- D30665513
- Part serial
- M24139
- Condition
- None
- Location
- Zone 800 - Doors
- Part time
- 827 hours, 330 cycles
- Stage of operation
- IN
- How discovered
- V
- Nature of condition
- J
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.