Service difficulty report · Scuff Plate · Boeing 7377H4

Difficulty date
July 24, 2023
Submitted
August 7, 2023
Operation
Air carrier
Aircraft
N411WN
Make and model
Boeing 7377H4
Aircraft serial
29821
Aircraft time
72,372 hours, 43,147 cycles
Part
Scuff 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

AFT CARGO BAY FWD CORNER SCUFF PLATE CRACKED<[01] WELDED CRACKED RADIUS OF AFT CARGO BAY; FWD CORNER SCUFF PLATE USING ER4043 ALUMINUM FILLER ROD LOT NUMBER 1131216 PER SRM 53-60-15-2R-1 PARAGRAPH 4.B. (2) AND (4). REPAIR REQUIRES DYE PENETRANT INSPECTION.<BR>EQUIP USED: WELDING MACHINE E10583 CAL DUE DATE 01/2024;[02] VERIFIED CORRECTIVE ACTION 1;[03] PT INSPECTED AREA IAW SOPM 20-20-02. <BR>NO CRACKS NOTED. <BR>EQUIP USED: <BR>-RADIOMETER ID: ATS2561-1; 2; 3 CAL DUE: 08/23;[04] SANDED REPAIR WELD AREA PER SRM 53-60-15-2R-1 PARAGRAPH 4.B.(5);[05] VERIFIED CORRECTIVE ACTION 4;[06] OK TO INSTAL FWD CORNER SCUFF PLATE GIVEN;[07] SCUFF PLATE INSTALLED <BR>REFERENCE ATTACHMENT FOR WORK ACCOMPLISHED<BR>LEAK CHECK TO BE COMPLETED ON TTG8Q00M713S;[08] VERIFIED CORRECTIVE ACTION #7

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