Service difficulty report · Scuff Plate · Boeing 7377H4

Difficulty date
July 14, 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

FWD CARGO BAY FWD CORNER SCUFF PLATE CRACKED<[01] WELDED CRACKED RADIUS ON FWD CARGO BAY; FWD CORNER SCUFF PLATE USING ER4043 ALUMINUM FILLER ROD LOT NUMBER 1131216 PER SRM 53-30-15-2R-1 PARAGRAPH 4.B. (2) AND (4). REPAIR STILL REQUIRES A DYE PENETRANT INSPECTION.<BR>EQUIP USED: WELDING MACHINE E10583; CAL DUE DATE 01/24;[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 AREA PER SRM 53-30-15-2R-1 PARAGRAPH 4.B. (5);[05] VERIFIED CORRECTIVE ACTION 4 AND MEASUREMENT TABLE.;[06] TREATED AND PRIMED FCB FWD SCUFF PLATE IAW AMM 51-21-41-370-802 AND AMM 51-21-72-370-804<BR><BR>PART WILL BE INSTALLED IN CUSTOMER CARD # TTG8Q00M713M;[07] VERIFIED ACTION 6

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