Service difficulty report · Nut Plate · Boeing 7377H4

Difficulty date
March 29, 2025
Submitted
May 5, 2025
Operation
Air carrier
Aircraft
N290WN
Make and model
Boeing 7377H4
Aircraft serial
36632
Aircraft time
57,406 hours, 34,635 cycles
Part
Nut Plate
Condition
Cracked
Location
Zone 500
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 RAIL NUT PLATE LEADING EDGE FRONT SPAR LOCATED OFSS 722 AT LT WING 2025-232245<[01] REPLACED RAIL NUT PLATE AND FASTENERS LOCATED ON LEADING EDGE FROMT SPAR OFSS 722 AT LT WING IAW B737-700 SRM 51-40-02-0G-0; SRM 51-10-02-0G-0 STEP 9 AND DWG: 112A4402 SHEET: 14; REV: - LENGHT OF CRACK: 0.410 INCHES<BR>TOOL USED DIGITAL CALIPER: P/N:500-197-30; S/N: A23304029; DUE DATE: 10/NOV/25.;[02] REPLACED RAIL NUT PLATE AND FASTENERS LOCATED ON LEADING EDGE FROMT SPAR OFSS 722 AT LT WING IAW B737-700 SRM 51-40-02-0G-0; SRM 51-10-02-0G-0 STEP 9 AND DWG: 112A4402 SHEET: 14; REV: - LENGHT OF CRACK: 0.410 INCHES<BR>TOOL USED DIGITAL CALIPER: P/N:500-197-30; S/N: A23304029; DUE DATE: 10/NOV/25.

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