What was found
AIRCRAFT WAS GROUNDED: AFTER DOORS CLOSED AND SLIDES ARMED, L1 DOOR SHOWS RED ON CIDS PANEL WITH CHECK DOOR PRESSURE ALERT. MAINTENANCE SERVICED THE L1 DOOR DAMPER AND EMERGENCY OPERATION CYLINDER PER AMM 52-10-00.
- Difficulty date
- December 30, 2025
- Submitted
- January 2, 2026
- Operation
- Air carrier
- Aircraft
- N923US
- Make and model
- Airbus A321231
- Aircraft serial
- 6543
- Aircraft time
- 34,253 hours, 13,926 cycles
- System (JASC)
- 5210 · Passenger/Crew Doors
- Part
- Bottle
- Condition
- Low Pressure
- Location
- Zone 800
- 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.