Service difficulty report · Stiffener · Boeing 7377H4

Difficulty date
February 19, 2025
Submitted
March 11, 2025
Operation
Air carrier
Aircraft
N936WN
Make and model
Boeing 7377H4
Aircraft serial
36643
Aircraft time
51,176 hours, 31,176 cycles
Part
Stiffener
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

CRACK STIFFENER ASSY FLOOR STRUCTURE LOCATED STA540 AND BETWEEN RBL24.75 TO RBL45.5 PASSENGER CABIN 2025-151707<[01] REPLACED STIFFENER ASSY FLOOR STRUCTURE LOCATED STA 540 AND BETWEEN RBL 24.75 TO RBL 45.5 PASSENGER CABIN IAW BOEING 737-700 SRM 51-40-02 AND DWG 143A5240 SHEET 12 REV-.<BR>CRACK LENGTH L:0.752 INCHES; TOOL USED CALIPER P/N: 2340A11 S/N:B17119057 DUE DATE 17-OCT-25.;[02] JOB COMPLETED

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