Service difficulty report · Stiffener · Boeing 7377H4

Difficulty date
April 12, 2023
Submitted
May 11, 2023
Operation
Air carrier
Aircraft
N284WN
Make and model
Boeing 7377H4
Aircraft serial
32535
Aircraft time
52,003 hours, 31,287 cycles
Part
Stiffener
Condition
Cracked
Location
Zn 200 Fus Top
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 STIFFENER FLOOR STRUCTURE LOCATED BS 540 BETWEEN BL 0 TO RBL 24.75 CENTER SECTION 2023-247582<[01] REPLACED STIFFENER FLOOR STRUCTURE LOCATED BS 540 BETWEEN BL 0 TO RBL 24.75 CENTER SECTION IAW B737-700 SRM 51-40-02 AND DWG 143A0060 REV. -;[02] REPLACED STIFFENER FLOOR STRUCTURE LOCATED BS 540 BETWEEN BL 0 TO RBL 24.75 CENTER SECTION IAW B737-700 SRM 51-40-02 AND DWG 143A0060 REV. -RII Ï¿½TEM

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