Service difficulty report · Stiffener · Boeing 7377H4

Difficulty date
March 9, 2020
Submitted
March 17, 2020
Operation
Air carrier
Aircraft
N463WN
Make and model
Boeing 7377H4
Aircraft serial
32467
Aircraft time
54,811 hours, 32,658 cycles
Part
Stiffener
Part number
143A0060
Condition
Cracked
Location
Fuselage
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 FLOOR STRUCTURE AT BS 540 AND BETWEEN LBL 0.07 TO RBL 24.82 CENTER SECTION (1 EA) REPLACED STIFFENER LOC FLOOR STRUCTURE AT BS540 AND BETWEEN LBL 0.07 TO RBL 24.82 CENTER SECTION (1EA) IAW B737-700 SRM 51-40-02 AND DWG 143A0060 AND SRM 51-10-02 ITEM 9 DUE TO ALLOWABLE DAMAGE NOT FOUND IN SRM

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