Service difficulty report · Stringer · Boeing 7377H4

Difficulty date
February 13, 2021
Submitted
March 4, 2021
Operation
Air carrier
Aircraft
N731SA
Make and model
Boeing 7377H4
Aircraft serial
27863
Aircraft time
74,252 hours, 43,809 cycles
Part
Stringer
Condition
Cracked
Location
Fuselage
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 24L LOCATED AT BS 540 FWD CARGO COMPARTMENT / REPAIRED STRINGER 24L LOCATED AT BS 540 FWD CARGO COMPARTMENT IAW B737-700 SRM 53-00-03-2R-1 REPAIR 1 PARAGRAPH 4 TABLE 202;203 FIG 206. MATERIAL USED 7075-T0-0-050 PO-2020 172955 1; 7075T0-0-0-056 PO-2020-205766 1. HEAT TREATED AND CONVERTED FROM T0 TO T6 IAW BAC 5602. TOOL USED TEMPERATURE CONTROLLER P/N P3015606300000 S/N U2820025 DUE DATE 25FEB21

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