What was found
AIRCRAFT WAS GROUNDED: EMERGENCY POWER SUPPLY UNIT (13WL) FAULTING EMERGENCY POWER SUPPLY UNIT OR EMERGENCY POWER SUPPLY UNIT BATTERY. REMOVED AND REPLACED EMERGENCY POWER SUPPLY (13WL). REMOVED AND REPLACED 3 AFT ESCAPE SLIDES.
- Difficulty date
- December 20, 2022
- Submitted
- January 10, 2023
- Operation
- Air carrier
- Aircraft
- N534UW
- Make and model
- Airbus A321231
- Aircraft serial
- 3989
- Aircraft time
- 45,410 hours, 16,838 cycles
- System (JASC)
- 2565 · Escape Slide
- Part
- Slide
- Part number
- D30665513
- Part serial
- M25270
- Condition
- Faulted
- Stage of operation
- IN
- How discovered
- V
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.