What was found
(AIRCRAFT 5640, L/P 1345182) MTC REQUEST. DURING L4 DOOR ADJUST CHECK, DOOR DOESNT UNLOCK CORRECTLY FROM OPEN TO CLOSE POSITION. (PTAS). CORRECTIVE ACTION: TRIGGER ON L4 DOOR WAS REPLACED PER B757-200 AMM 20-11-00.
- Difficulty date
- November 4, 2019
- Submitted
- November 5, 2019
- Operation
- Air carrier
- Aircraft
- N540US
- Make and model
- Boeing 757251
- Aircraft serial
- 26487
- Aircraft time
- 70,303 hours, 26,887 cycles
- System (JASC)
- 5210 · Passenger/Crew Doors
- Part
- Trigger
- Condition
- Malfunctioned
- Location
- L4 Door
- Stage of operation
- IN
- How discovered
- C
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.