What was found
AIRCRAFT WAS NOT GROUNDED: ON ARMING DOOR 1L SHOWS CHECK DOOR PRESSURE WARNING IN ARM/DISARMED STATE. MAINTENANCE FOUND L1 DOOR DAMPER AND EMERGENCY OPERATION CYLINDER PRESSURE LOW AND SERVICED IT PER AMM 52-10-00.
- Difficulty date
- November 13, 2025
- Submitted
- November 14, 2025
- Operation
- Air carrier
- Aircraft
- N559UW
- Make and model
- Airbus A321231
- Aircraft serial
- 5292
- Aircraft time
- 40,557 hours, 16,899 cycles
- System (JASC)
- 5270 · Door Warning System
- Part
- Bottle
- Condition
- Low Pressure
- Location
- Zone 800
- Stage of operation
- TX
- How discovered
- O
- Nature of condition
- J
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.