What was found
L1 DOOR WILL NOT OPEN. GROUNDED - YES. FOUND SCREW MISSING FROM PIN FOR THE RADIUS LINKS TO GUIDE ARM, REPLACED THE PIN WASHER AND SCREW WITH NEW HARDWARE, INSTALLED NEW PIN WASHER SCREW PER AMM 52-11-21-400-802 STEP 4 A-I.
- Difficulty date
- February 1, 2019
- Submitted
- February 6, 2019
- Operation
- Air carrier
- Aircraft
- N409AS
- Make and model
- Boeing 737990ER
- Aircraft serial
- 41733
- Aircraft time
- 24,015 hours, 7,898 cycles
- System (JASC)
- 5210 · Passenger/Crew Doors
- Part
- Screw
- Part number
- BACS12ER08K6
- Condition
- Missing
- Location
- L1 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.