Service difficulty report · Angle · Boeing 7377BD

Difficulty date
August 13, 2022
Submitted
September 15, 2022
Operation
Air carrier
Aircraft
N7738A
Make and model
Boeing 7377BD
Aircraft serial
33930
Aircraft time
51,542 hours, 27,977 cycles
System (JASC)
5711 · Wing Spar
Part
Angle
Condition
Cracked
Location
Center Wing
Stage of operation
IN
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 AT LT VAPOR BARRIER UPPER ATTACH ANGLE; BS 663; LBL 7. / [01] REMOVED (9) EA FASTENERS AT L/H CENTER FUEL TANK ON VAPOR BARRIER UPPER ATTACH ANGLE; BS 663; LBL 17 REF B737-700 SRM 57-10-10-2R-5 REPAIR 5;[09] FABRICATED REPAIR PARTS. ANGLE MAT-2024T3.063 CLAD PO#1777701 & SPLICE MAT-2024T3.071 CLAD PO#174926 ; LOCATED AND DRILLED; ALL PARTS HAVE A SURFACE ROUGHNESS OF 63 AND 125 MICROINCHES RA OR SMOOTHER REF B737-700 SRM 57-10-10-2R-5 REPAIR 5 (TOOL USED TC2-D B/C 172331);;[17] INSTALLED REPAIR PARTS ANGLE AND SPLICE AT L/H VAPOR BARRIER UPPER ATTACH ANGLE;BS 663 LBL-7 REF B737-700 SRM 57-10-10-2R-5 REPAIR 5;;[23] (CORRECTION STEP 9)FABRICATED REPAIR PARTS. ANGLE MAT-2024T3.063 CLAD PO#1777701 & SPLICE MAT-2024T3.071 CLAD PO#174926 ; LOCATED AND DRILLED; ALL PARTS HAVE A SURFACE ROUGHNESS OF 63 AND 125 MICROINCHES RA OR SMOOTHER REF B737-700 SRM 57-10-10-2R-5 REPAIR 5 (TOOL USED TC2-D B/C 172331) ;SRM 51-40-05

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