What was found
AIRCRAFT WAS NOT GROUNDED: 4R DOOR VERY HARD TO ARM. MAINTENANCE CLEANED AND LUBRICATED LINKS (AALA202604196074) AND LOCKING MECHANISM (AALA202604202671) PER AMM 52-13-21. A SATISFACTORY OPERATIONAL CHECK WAS ACCOMPLISHED.
- Difficulty date
- April 15, 2026
- Submitted
- April 20, 2026
- Operation
- Air carrier
- Aircraft
- N972UY
- Make and model
- Airbus A321231
- Aircraft serial
- 4123
- Aircraft time
- 54,153 hours, 20,944 cycles
- System (JASC)
- 5240 · Service Doors
- Part
- Lock
- Condition
- Sticking
- 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.