Service difficulty report · Intercostal · Boeing 7377H4

Difficulty date
May 8, 2025
Submitted
June 10, 2025
Operation
Air carrier
Aircraft
N900WN
Make and model
Boeing 7377H4
Aircraft serial
32544
Aircraft time
57,299 hours, 34,643 cycles
Part
Intercostal
Condition
Cracked
Location
Zone 100
Stage of operation
IN
How discovered
V
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 BTW BS 500A TO BS 500B AT LEVEL STR 26R AT FWD CARGO COMPARTMENT 2025-309305<[01] TOOL USED: EDDY CURRENT FLAW DETECTOR; P/N: NORTEC 600 D; S/N: 220272512; DUE DATE: 05-FEB-26.;[02] REPLACED NEW WEB-INTERCOSTAL AND PERFORMANT REPAIR ON WEB PARTS LOCATED BTW BS 500A TO BS 500B AT LEVEL STR 26R AT FWD CARGO COMPARTMENT IAW B737-700 SRM 51-40-02; SRM 53-30-53-2R-1 AND SRM 51-10-02 ITEM 9 DWG 143A7505 SHEET: 82 REV: -. SEE INDIVIDUAL SIGN-OFF BELOW.;[03] REPLACED NEW WEB-INTERCOSTAL AND PERFORMANT REPAIR ON WEB PARTS LOCATED BTW BS 500A TO BS 500B AT LEVEL STR 26R AT FWD CARGO COMPARTMENT IAW B737-700 SRM 51-40-02; SRM 53-30-53-2R-1 AND SRM 51-10-02 ITEM 9 DWG 143A7505 SHEET: 82 REV: -. SEE INDIVIDUAL SIGN-OFF BELOW.<BR>RII CERTIFIED

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