Service difficulty report · Attach Angle · Boeing 737*

Difficulty date
November 17, 2021
Submitted
November 22, 2021
Operation
Air carrier
Aircraft
N475WN
Make and model
Boeing 737*
Aircraft serial
32474
Aircraft time
58,806 hours, 34,711 cycles
Part
Attach Angle
Condition
Cracked
Location
Center Wing
Stage of operation
UK
How discovered
9
Nature of condition
O
Precautionary procedure
K

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

What was found

FOUND CRACK IN L/H A/C BAY STA 663 VAPOR BARRIER UPPER ATTACH ANGLE AT LBL 40. REMOVED STIFFENER ON FWD SIDE OF STA 663 LBL 40 TO FOM IAW SRM 51-40-02-0G-0. CUT AND REMOVED DAMAGED ATTACH ANGLE IAW SRM 57-10-10-2R-5 REPAIR 5. PERFORMED DVI OF REPAIR AREA & UNDERLYING STRUCTURE. NO DEFECTS NOTED IAW SRM 57-10-10-2R-5 REPAIR 5. PERFORMED NDT IAW NDT PT.6 51-00-00 PROC 16. NO DEFECTS NOTED . FABRICATED REPAIR PARTS IAW SRM 57-10-10-2R-5 REPAIR 5. TREATED AND PRIMED REPAIR PARTS AND CUT EDGE IAW SRM 57-10-10-2R-5 REPAIR 5. STIFFENER REMOVED ON STEPS 1 AND 2 INSTALLED REPAIR PARTS U CHANNEL AND STIFFENER IAW SRM 57-10-10-2R-5 REPAIR 5.