Service difficulty report · Stringer · Boeing 73779P

Difficulty date
April 27, 2023
Submitted
May 25, 2023
Operation
Air carrier
Aircraft
N7860A
Make and model
Boeing 73779P
Aircraft serial
29362
Aircraft time
49,661 hours, 34,220 cycles
Part
Stringer
Condition
Cracked
Location
Zn 100 Fus Lower
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 INNER CHORD LOCATED BS303.9 AND LBL53 WL208.1 AT FWD GALLEY AREA 2023-282697<[01] REPLACED INNER CHORD LOCATED BTW BS270 AND BS360 WL208.1 AT FWD GALLEY AREA IAW B737-700 SRM 51-40-02 SRM 51-10-02 PARAGRAPH 9 AND DWGS #141A8110-12; SHEET: 9; REV.: A; #141A5220-1; SHEET: 3; REV.: B; AND #140A9810;SHEET: 46; REV.: C SEE INDIVIDUAL SIGN OFF BELOW.;[02] REPLACED INNER CHORD LOCATED BTW BS270 AND BS360 WL208.1 AT FWD GALLEY AREA IAW B737-700 SRM 51-40-02 SRM 51-10-02 PARAGRAPH 9 AND DWGS #141A8110-12; SHEET: 9; REV.: A; #141A5220-1; SHEET: 3; REV.: B; AND #140A9810;SHEET: 46; REV.: C SEE INDIVIDUAL SIGN OFF BELOW.AS RII. JOB COMPLETED.

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