Service difficulty report · Guide Arm · Boeing 737790

Difficulty date
July 2, 2025
Submitted
July 8, 2025
Operation
Air carrier
Aircraft
N618AS
Make and model
Boeing 737790
Aircraft serial
30543
Aircraft time
73,757 hours, 39,276 cycles
Part
Guide Arm
Part number
141A60752AS
Condition
No Test
Location
Zone 800
Stage of operation
IN
How discovered
C
Nature of condition
L
Precautionary procedure
K

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

FA UNABLE TO CLOSE L1 DOOR MIG-2C #40-0061016 INITIATED, 40-0061017 INITIATED. GROUNDED - YES. REF FWD ENTRY DOOR SYSTEM TEST, AMM TASK 52-11-00-700-804 E3D TORQUE TO OPEN INT HANDLE REQUIRED WAS AT HIGHER END OF ADJUSTABLE LIMITS. SEVERE SQUEAL COMING FROM UPPER GUIDE ARM REVEALED EXCESSIVE PLAY AT GUIDE ARM ROD END. REF MIG-2C #40-0061016 AND 40-0061017 FOR WORK PERFORMED. NO FURTHER DEFECTS NOTED. PERFORMED L1 DOOR ADJUSTMENTS REF AMM 52-11-00-820-801. MIG-2C #40-0061016 AND 40-0061017 ARE BOTH CLOSED.