Service difficulty report · Floorbeam · Boeing 7377H4

Difficulty date
April 8, 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
Floorbeam
Condition
Cracked
Location
Zone 200
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

AAI MAIN CABIN; FLOOR STRUCTURE SUPPORT HAS CRACK AT STA 540; BL 0 TO LBL 24.75 2025-232405<[01] REPLACED FLOOR STRUCTURE BRACKET LOCATED STA 540; BL 0 TO LBL 24.75 IAW B737-700 SRM 51-40-02 DWG 143A0060 SHEET 46 REV- SEE INDIVIDUAL SIGN OFFS BELOW.;[02] CORRECTED STEP 1. REPLACED FLOOR STRUCTURE SUPPORT LOCATED STA 540; BL 0 TO LBL 24.75 IAW B737-700 SRM 51-40-02 DWG 143A0060 SHEET 46 REV- SEE INDIVIDUAL SIGN OFFS BELOW.;[03] REPLACED FLOOR STRUCTURE SUPPORT LOCATED STA 540; BL 0 TO LBL 24.75 IAW B737-700 SRM 51-40-02 DWG 143A0060 SHEET 46 REV- SEE INDIVIDUAL SIGN OFFS BELOW.

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