Service difficulty report · Stub Frame · Boeing 7377H4

Difficulty date
March 26, 2025
Submitted
May 5, 2025
Operation
Air carrier
Aircraft
N290WN
Make and model
Boeing 7377H4
Aircraft serial
36632
Aircraft time
57,406 hours, 34,635 cycles
Part
Stub Frame
Condition
Cracked
Location
Zn 100 Fus Lower
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 INDICATION ON STUB FRAME LOCATED BTW BS 294.5 TO BS 296 AND S-8R TO S-9R AT FWD GALLEY DOOR AREA(1EA). CRACK LENGTH APPROX 0.875 INCH AT PASSENGER CABIN 2025-232168<[01] REPLACED STUB FRAME LOCATED BTW BS 294.5 TO BS 296 AND BTW STR 6R TO STR 10R AT FWD SERVICE DOOR AT PASSENGER CABIN IAW B737-700 SRM 51-40-02; DWG: 141A8370 SHEET: 10 REV:D ; DWG: 141A8380 REV: 22 REV: - AND DWG: 141A3330 SHEET: 4 REV: -. SEE INDIVIDUAL SIGN OFF BELOW.;[02] REPLACED STUB FRAME LOCATED BTW BS 294.5 TO BS 296 AND BTW STR 6R TO STR 10R AT FWD SERVICE DOOR AT PASSENGER CABIN IAW B737-700 SRM 51-40-02; DWG: 141A8370 SHEET: 10 REV:D ; DWG: 141A8380 REV: 22 REV: - AND DWG: 141A3330 SHEET: 4 REV: -. SEE INDIVIDUAL SIGN OFF BELOW.<BR>RII CERTIFIED

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