Service difficulty report · Guide Arm · Boeing 737990ER

Difficulty date
July 9, 2025
Submitted
July 11, 2025
Operation
Air carrier
Aircraft
N457AS
Make and model
Boeing 737990ER
Aircraft serial
36355
Aircraft time
41,137 hours, 12,953 cycles
Part
Guide Arm
Condition
Out Of Adjust
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.

What was found

FA REPORTS L1 DOOR DIFFICULT TO OPEN AND CLOSE. GROUNDED - YES. PERFORMED FWD ENTRY DOOR SYSTEM TEST PER AMM 52-11-00. 4.E.(3) DOOR HANDLE TORQUE TEST, STEP (3)(D) TORQUE IS OUTSIDE OF THE SPECIFIED RANGE. ADJUSTED GUIDE ARM ADJUSTER NUT ONE FLAT EXTENDED AND RESECURED JAMNUT REF AMM 52-11-00-820-801 STEP 2.H. ADJUSTED ALL FOUR ROLLER LATCH RECEIVERS INBOARD ONE SERRATION REF AMM 52-11-00-820-801 STEP 2.L PERFORMED FORWARD ENTRY DOOR SYSTEM TEST REF AMM 52-11-00-700-804. TORQUE REQUIRED; TO OPEN THE DOOR HANDLE IS 300 IN/LB, TO CLOSE THE DOOR HANDLE IS 420 IN/LB.