Service difficulty report · Stringer · Boeing 7377H4

Difficulty date
August 29, 2021
Submitted
September 21, 2021
Operation
Air carrier
Aircraft
N758SW
Make and model
Boeing 7377H4
Aircraft serial
27873
Aircraft time
74,045 hours, 43,671 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 26L ON BS 540 AT FWD CARGO COMPARTMENT ; 2021-384486 / INSTALLED REPAIR PARTS -7 STRINGER SECTION -2 CHANNEL -3 ANGLE (2EA) AND SHEAR TIE LOCATED STA 520 BETWEEN STR 25L AND STR 26L, TIE CLIP LOCATED STA 520 STR 26L FWD CARGO COMPARTMENT. IAW B737-700 SRM 51-40-02 SRM 53-00-03-2R-1 REPAIR 1 FIG 206 DWG #143A3230 REV. J MEASURES OF CRACK IS:L=0.506Ï¿½ TOOL USED CALIPER P/N 500-464 S/N B17030924 DUE DATE 03-NOV-21

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