Service difficulty report · Intercostal · Boeing 7377H4

Difficulty date
June 8, 2022
Submitted
July 7, 2022
Operation
Air carrier
Aircraft
N252WN
Make and model
Boeing 7377H4
Aircraft serial
34973
Aircraft time
53,431 hours, 31,865 cycles
Part
Intercostal
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 INTERCOSTAL - WEB FLOOR STRUCTURE LOCATED BS 540 BTW RLB 24.82 TO RBL 45.57 CENTER SECTION PASSENGER CABIN 2022-316593 / [01] REPLACED INTERCOSTAL - WEB AND FASTENERS FLOOR STRUCTURE LOCATED BS 540 BTW RBL 24.82 TO RBL 45.57 CENTER SECTION PASSENGER CABIN IAW B737-700 SRM 51-10-02 ITEM 9 AND DRAWING # 143A0060 REV : - SEE INDIVIDUAL SIGNOFF BELOW;[02] REPLACED INTERCOSTAL - WEB AND FASTENERS FLOOR STRUCTURE LOCATED BS 540 BTW RBL 24.82 TO RBL 45.57 CENTER SECTION PASSENGER CABIN IAW B737-700 SRM 51-10-02 ITEM 9 AND DRAWING # 143A0060 REV : - SEE INDIVIDUAL SIGNOFF BELOW. CERTIFIED RII;[03] REPLACED INTERCOSTAL - WEB AND FASTENERS FLOOR STRUCTURE LOCATED BS 540 BTW RBL 24.82 TO RBL 45.57 CENTER SECTION PASSENGER CABIN IAW B737-700 SRM 51-10-02 ITEM 9 AND DRAWING # 143A0060 REV : - SEE INDIVIDUAL SIGNOFF BELOW

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