Service difficulty report · Intercostal · Boeing 7377H4

Difficulty date
February 26, 2023
Submitted
April 5, 2023
Operation
Air carrier
Aircraft
N212WN
Make and model
Boeing 7377H4
Aircraft serial
32485
Aircraft time
59,558 hours, 35,743 cycles
Part
Intercostal
Condition
Cracked
Location
Zn 900 Lav/Galle
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 FLOOR STRUCTURE LOCATED BTW BS 328 TO BS 344 LBL 46.5 AT FWD GALLEY 2023-142736<[01] TOOL USED CALIPER P/N: 500-196-30:; S/N: A21126170; DUE DATE: 09-NOV-23.;[02] REPLACED WEB INTERCOSTAL AND FASTENERS LOCATED ON FLOOR STRUCTURE LOCATED BTW BS 328 TO BS 344 LBL 46.5 AT FWD GALLEY I.A.W.B737-700 SRM 51-40-02 AND B737-700 SRM 51-10-02 ITEM 9 AND DRAWING 141A5400 SHEET 44 REV-. <BR>SEE INDIVIDUAL SIGN OFF BELOW;[03] TASK COMPLETED; RII <BR><BR>SEE INDIVIDUAL SIGN OFFS BELOW

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