Service difficulty report · Intercostal · Boeing 7377H4

Difficulty date
March 20, 2023
Submitted
April 19, 2023
Operation
Air carrier
Aircraft
N217JC
Make and model
Boeing 7377H4
Aircraft serial
34232
Aircraft time
59,800 hours, 35,508 cycles
Part
Intercostal
Condition
Cracked
Location
Zn 200 Fus Top
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 WEB INTERCOSTAL LOCATED BS294.5 TO BS303.9 AND STR16L AT FWD GALLEY AREA 2023-191891<[01] REPLACED WEB-INTERCOSTAL;T-ANGLE;PLATE AND FASTENERS LOCATED BS294.5 AND BS303.9 AND STR16L AT FWD GALLEY AREA IAW B737-700 SRM 51-40-02;SRM 51-10-02 AND DWG 141A8180; SHEET 27; SHEET 28; REV. C.;[02] SEE INDIVIDUAL SIGNS-OFF BELOW;[03] CORRECTED STEP 1 AND 2.REPLACED WEB-INTERCOSTAL;T-ANGLE;PLATE AND FASTENERS LOCATED BS294.5 AND BS303.9 AND STR16L AT FWD GALLEY AREA IAW B737-700 SRM 51-40-02;SRM 51-10-02 AND DWG 141A8180; SHEET 27; SHEET 28; REV. C. SEE INDIVIDUAL SIGNS-OFF BELOW;[04] CORRECTED STEP 1 AND 2.REPLACED WEB-INTERCOSTAL;T-ANGLE;PLATE AND FASTENERS LOCATED BS294.5 AND BS303.9 AND STR16L AT FWD GALLEY AREA IAW B737-700 SRM 51-40-02;SRM 51-10-02 AND DWG 141A8180; SHEET 27; SHEET 28; REV. C. RII; SEE INDIVIDUAL SIGNS-OFF BELOW.

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