Service difficulty report · Stringer · Boeing 7377BD

Difficulty date
July 11, 2022
Submitted
August 1, 2022
Operation
Air carrier
Aircraft
N7739A
Make and model
Boeing 7377BD
Aircraft serial
35110
Aircraft time
52,033 hours, 28,008 cycles
Part
Stringer
Condition
Cracked
Location
Fwd Cargo
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

CRACK STRINGER 23L LOCATED BS540 AT FWD CARGO COMPARTMENT 2022-384002 / [01] UT EQUIPMENT P/N: 35DL; S/N: 091419910; DUE DATE: 26-JAN-23;[02] TOOLS USED: TEMPERATURE CONTROLLER: P/N: P3015GOES00000; S/N: 112031023; DUE DATE: 01-FEB-23; TEMPERATURE CONTROLLER: P/N: P3015GOES00000; S/N: 112820025; DUE DATE: 01-FEB-23.;[03] PERFORMED PERMANENT REPAIR BTW BS500D TO BS540 IAW B737-700 SRM 53-00-03-2R-1 REPAIR 1 MATERIAL USED: ALUMINUM SHEET P/N 7075-T0-0.036 PO: 2021 245499; EXTRUSION P/N BAC1493-659 PO: 2021 149606 AND EXTRUSION P/N BAC1493-249 PO: 2021 147833 SEE INDIVIDUAL SIGN OFF BELOW;[04] PERFORMED PERMANENT REPAIR BTW BS500D TO BS540 IAW B737-700 SRM 53-00-03-2R-1 REPAIR 1 MATERIAL USED: ALUMINUM SHEET P/N 7075-T0-0.036 PO: 2021 245499; EXTRUSION P/N BAC1493-659 PO: 2021 149606 AND EXTRUSION P/N BAC1493-249 PO: 2021 147833 SEE INDIVIDUAL SIGN OFF BELOW.RII

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