What was found
AIRCRAFT WAS NOT GROUNDED: DOOR 4L ARM/DISARM LEVER REPORTED DIFFICULT TO OPERATE. MAINTNANCE CLEANED, LUBRICATED THE L4 DOOR AND ACCOMPLISHED A SATISFACTORY OPERATIONAL CHECK OF THE DOOR ARMING SYSTEM PER AMM 52-10-00.
- Difficulty date
- April 11, 2026
- Submitted
- April 15, 2026
- Operation
- Air carrier
- Aircraft
- N557UW
- Make and model
- Airbus A321231
- Aircraft serial
- 5269
- Aircraft time
- 43,026 hours, 17,717 cycles
- System (JASC)
- 5210 · Passenger/Crew Doors
- Part
- Mechanism
- Condition
- Sticking
- Location
- Zone 800
- Stage of operation
- TX
- How discovered
- O
- Nature of condition
- O
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.