Service difficulty report · Stiffener · Boeing 7377H4

Difficulty date
June 11, 2023
Submitted
July 11, 2023
Operation
Air carrier
Aircraft
N298WN
Make and model
Boeing 7377H4
Aircraft serial
32543
Aircraft time
51,544 hours, 30,702 cycles
Part
Stiffener
Part number
UNKNOWN
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 STIFFENER FLOOR STRUCTURE ASSY LOCATED BS540 AND BETWEEN RBL24.75 TO RBL45.5 CENTER SECTION 2023-378847<[01] REPLACED STIFFENER FLOOR STRUCTURE ASSY LOCATED BS540 AND BETWEEN RBL24.75 TO RBL45.5 CENTER SECTION IAW B737-700 SRM 51-10-02 ITEM 9.;[02] REPLACED STIFFENER FLOOR STRUCTURE ASSY LOCATED BS540 AND BETWEEN RBL24.75 TO RBL45.5 CENTER SECTION IAW B737-700 SRM 51-10-02 ITEM 9.<BR><BR>ITEM RII

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