Service difficulty report · Scuff Plate · Boeing 7377H4

Difficulty date
June 1, 2023
Submitted
June 29, 2023
Operation
Air carrier
Aircraft
N960WN
Make and model
Boeing 7377H4
Aircraft serial
36675
Aircraft time
38,108 hours, 23,248 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 IS CRACKED<[01] WELDED CRACK ON AFT CARGO DOOR FWD CORNER SCUFF PLATE USING ER4043 FILLER ROD LOT NUMBER 1131216 PER SRM 53-60-15-2R-1 REPAIR 1 PARAGRAPH 4.B. (2) AND (4)<BR>EQUIP USED: WELDING MACHINE E10583; CAL DUE 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 WELD REPAIR AREA PER SRM 53-60-15-2R-1 REPAIR 1 PARAGRAPH 4.B.(5);[05] VERIFIED CORRECTIVE ACTION 4.;[06] APPLIED CHEMICAL CONVERSION COATING; TWO COATS OF BMS10-11 PRIMER AND COAT OF PARTING AGENT. IAW SOPM 20-43-03; SOPM 20-41-02 SOPM 20-50-19. SRM 53-60-15-2R-1;[07] VERIFIED CORRECTIVE ACTIONS STEP 6.;[08] OK TO INSTALL;[09] OK TO INSTALL GIVEN.;[10] INSTALLED SCUFF PLATE IAW AMM 53-11-02-420-801; ATS2589 SER:1703383 EXP:07/2023;[11] COMPLETED FILL AND FAIR SCUFF PLATE IAW AMM 53-11-02-420-801 COMPLETED STEP 1;[12] VERIFIED CORRECTIVE ACTIONS 10 & 11.

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