Service difficulty report · Angle · Boeing 7377K9

Difficulty date
September 2, 2022
Submitted
October 5, 2022
Operation
Air carrier
Aircraft
N7879A
Make and model
Boeing 7377K9
Aircraft serial
34321
Aircraft time
51,347 hours, 25,724 cycles
Part
Angle
Condition
Cracked
Location
Bs 663 Bulkhead
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

LOWER FUSELAGE ACCESS THROUGH SERVICE DOOR 192CL STA 663 LBL 5' VAPOR BARRIER UPPER ANGLE CRACKED / [01] PARTIALLY REMOVED FASTENERS ON LOWER VAPOR BARRIER ANGLE PER B737-700 SRM 51-40-02-0G-0.;[15] INSTALLED REPAIR PARTS AS PER B737-700 SRM 57-10-10-2R-5 AND 51-40-02-0G-0;[16] SEALANT SQUEEZE OUT VERIFICATION AND 100% PERMANENT FASTENER INSTALLATION ACCOMPLISHED PRIOR TO SQUEEZE OUT LIFE AS PER SOPM 20-50-19;[17] VERIFIED STEPS 14; 15 AND 16;[18] APPLIED CAP SEAL FUEL TANK FASTENERS ON REPAIR UPPER VAPOR BARRIER ANGLE AS PER B737-700 SRM 57-10-10-2R-5 AND 51-80-01-0G-0;[19] APPLIED CIC ON AREA OF REPAIR UPPER VAPOR BARRIER ANGLE AS PER B737-700 SRM 57-10-10-2R-5 AND 51-20-01-0G-0;[20] VERIFIED STEPS 18 AND 19;[21] FINALIZED REPAIR AT UPPER VAPOR BARRIER ANGLE AS PER B737-700 SRM 57-10-10-2R-5;[22] VERIFIED REPAIR FINALIZED. TASK COMPLETE.

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