Service difficulty report · Intercostal · Boeing 7377H4

Difficulty date
July 1, 2023
Submitted
August 2, 2023
Operation
Air carrier
Aircraft
N228WN
Make and model
Boeing 7377H4
Aircraft serial
32496
Aircraft time
58,313 hours, 35,117 cycles
Part
Intercostal
Part number
UNKNOWN
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 ON WEB INTERCOSTAL LOCATED FLOOR STRUCTURE BTW BS 312 TO BS 328 RBL 34 AT FWD GALLEY AREA 2023-422288<[01] REPLACED WEB AND FASTENERS LOCATED ON FLOOR STRUCTURE BTW BS312 TO BS328 RBL34 AT FWD GALLEY AREA I.A.W. B737-700 SRM 51-10-02 ITEM 9 AND SRM 51-40-02 AND DWG 141A5400 SHEET 44 REV. -<BR>SEE INDIVIDUAL SIGN-OFF BELOW;[02] CORRECTED STEP 1:<BR>REPLACED WEB AND FASTENERS LOCATED ON FLOOR STRUCTURE BTW BS312 TO BS328 RBL34 AT FWD GALLEY AREA I.A.W. B737-700 SRM 51-10-02 ITEM 9 AND SRM 51-40-02 AND DWG 141A5400 SHEET 39 REV. -<BR>SEE INDIVIDUAL SIGN-OFF BELOW;[03] TASK COMPLETED ; RII <BR>SEE INDIVIDUAL SIGN-OFF BELOW

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