Service difficulty report · Scuff Plate · Boeing 7377CT

Difficulty date
April 2, 2025
Submitted
April 23, 2025
Operation
Air carrier
Aircraft
N570WN
Make and model
Boeing 7377CT
Aircraft serial
33657
Aircraft time
69,365 hours, 36,273 cycles
Part
Scuff Plate
Condition
Cracked
Location
Zone 100
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

AFT CARGO COMPARTMENT; AFT CORNER SCUFF PLATE IS CRACKED. <[01] WELDED THE CORNER SCUFF PLATE USING ER4043 FILLER ROD LOT NUMBER 1594362-1 PER SRM 53-60-15-2R-1 PARAGRAPH 4.B.(4). REFERRED TO BAC5975 EQUIPMENT USED; WELDING MACHINE ID# E10583 CAL DUE DATE 01/2026. SANDED THE REWORKED SURFACES AND EDGES OF THE CORNER SCUFF PLATE TO GET A SURFACE ROUGHNESS OF 125RA OR SMOOTHER PER SRM 53-60-15-2R-1 PARAGRAPH 4.B.(5). APPLIED PROTECTIVE FINISHES IAW SOPM 20-41-02.; [02] VERIFIED CORRECTIVE ACTION 1.

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