Service difficulty report · Jam-Nut · Boeing 7379

Difficulty date
September 9, 2024
Submitted
September 10, 2024
Operation
Air carrier
Aircraft
N973AK
Make and model
Boeing 7379
Aircraft serial
43346
Aircraft time
9,517 hours, 2,745 cycles
Part
Jam-Nut
Condition
Loose
Location
Door Guide Arm
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'S REPORT THAT R1 DOOR IS DIFFICULT TO CLOSE FULLY. CLOSES WITH HANDLE IN CORRECT POSITION, BUT CAN LEAVE OPEN GAP AT UPPER RIGHT CORNER. REQUIRES MULTIPLE ATTEMPTS TO ENSURE IT CLOSES COMPLETELY. GROUNDED - YES. VERIFIED R1 DOOR CLOSED W/ AN OPEN GAP AT UPPER R/H CORNER INTERMITTENTLY. FOUND GUIDE ARM ADJUSTMENT JAMNUT LOOSE. ADJUSTED GUIDE ARM REF AMM 52-41-00 STEP 2.(I). OPS CHECK GOOD DOOR OPERATES AS INTENDED. SKIN CLEARANCE AND FLUSHNESS CHECK GOOD. ACCOMPLISHED GALLEY SERVICED DOOR SYSTEM TEST REF AMM 52-41-00-700-801. TEST PASSED. VERIFIED GUIDE ARM ADJUSTMENT JAMNUT IS TIGHTENED.

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