Service difficulty report · Plate · 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
Plate
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 UPPER PLATE LOCATED BS540 AND BETWEEN BL0 TO LBL45.5 AT CENTER WING BOX (2 EA) 2023-378850<[01] REPLACED UPPER PLATE LOCATED BS540 AND BETWEEN BL0 TO LBL45.5 AT CENTER WING BOX (2 EA) IAW B737-700 SRM: 51-10-02 ITEM 9 AND 51-40-02.;[02] CORRECTED STEP 1 REPLACED UPPER PLATE LOCATED BS540 AND BETWEEN BL0 TO LBL45.5 AT CENTER WING BOX (2 EA) IAW B737-700 SRM: 51-10-02 ITEM 9 AND 51-40-02 SEE INDIVIDUAL SIGN OFFS BELOW.;[03] REPLACED UPPER PLATE LOCATED BS540 AND BETWEEN BL0 TO LBL45.5 AT CENTER WING BOX (2 EA) IAW B737-700 SRM: 51-10-02 ITEM 9 AND 51-40-02 SEE INDIVIDUAL SIGN OFFS BELOW.<BR>RII

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