What was found
AIRCRAFT WAS NOT GROUNDED: DURING PERIODIC SERVICE CHECK, FOUND R4 DOOR DAMPER LOW IN PRESSURE. MAINTENANCE COMPLETED SERVICING OF DAMPER D4R PER JOB CARD 26L80052001. NO LEAKS NOTED AT THIS TIME.
- Difficulty date
- September 6, 2026
- Submitted
- September 8, 2026
- Operation
- Air carrier
- Aircraft
- N403AN
- Make and model
- Airbus A321253NX
- Aircraft serial
- 8780
- Aircraft time
- 25,358 hours, 7,012 cycles
- System (JASC)
- 5240 · Service Doors
- Part
- Bottle
- Condition
- Low Pressure
- Location
- Zone 800
- 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.