Service difficulty report · Bolt · Boeing 757236

Difficulty date
December 17, 2025
Submitted
December 17, 2025
Operation
Air carrier
Aircraft
N979FD
Make and model
Boeing 757236
Aircraft serial
25592
Aircraft time
67,123 hours, 26,236 cycles
Part
Bolt
Condition
Misinstalled
Location
L1 Door
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.

What was found

L1 DOOR WILL ONLY OPEN HALF WAY. AMM: 52-11-08-4 PUT A/C BACK IN NORMAL CONFIG. OPENED AND CLOSED L1 DOOR MULTIPLE TIMES IAW AMM 52-11-00-2 AND FOUND HOLD OPEN LOCK LEVER CONTACTING TRIGGER CATCH BOLT. FOUND TRIGGER CATCH BOLT INSTALLED INCORRECTLY IAW AMM 52-11-08-4 SUB TASK 52-11-08-434-099. REMOVED AND REINSTALLED BOLT CORRECTLY IAW AMM 52-11-08-4. OPENED AND CLOSED L1 DOOR MULTIPLE TIMES WITH NO DISCREPANCIES NOTED.