Service difficulty report · Scuff Plate · Boeing 7377H4

Difficulty date
August 17, 2021
Submitted
August 23, 2021
Operation
Air carrier
Aircraft
N964WN
Make and model
Boeing 7377H4
Aircraft serial
36965
Aircraft time
32,901 hours, 20,020 cycles
Part
Scuff Plate
Condition
Cracked
Location
Aft Cargo
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 AFT SCUFF PLATE IS CRACKED ; / [01] REMOVED AFT CARGO AFT SCUFF PLATE IAW AMM53-11-02-020-801; SRM 51-40-02; [02] WELDED CRACKED RADIUS OF ACB; AFT SCUFF PLATE USING ER4043 FILLER ROD LOT#1131216 IAW SRM 53-60-15-2R-1 PARA 4.B.(2) AND (4)<BR>CALIBRATION INFO E10583; S/N KJ256554; [03] VERIFIED CORRECTIVE ACTION #2<BR>NO VISUAL DEFECTS NOTED; [04] DYE PENETRANT INSPECTED WELDED AREA PER SOPM 20-20-02. NO DEFECTS NOTED. RADIOMETER ID# ATS2504; S/N 191348; [05] SANDED WELD REPAIR AREA PER SRM 53-60-15-2R-1 PARA 4.B.(5); [06] VERIFIED CORRECTIVE ACTION #5; [07] APPLIED CHEMICAL CONVERSION COATING TO ALL BARE METAL SURFACES AND PRIMER TO THE INNER SURFACES OF THE CORNER SCUFF PLATE. PER SRM 53-60-15-2R-1 PARA 4 B(6-7).; [08] APPLIED A COAT OF STRIPPABLE PARTING AGENT TO ALL FAYING SURFACES OF THE CORNER SCUFF PLATE AND FUSELAGE SKIN/REPAIR PARTS. PER SRM 53-60-15-2R-1 PARA 4 B(8).; [09] APPLIED BMS 3-23; TYPE II CORROSION INHIBITING COMPOUND TO THE SURFACES UNDER THE THRESHOLD WHERE NO PARTING AGENT WAS APPLIED. PER SRM 53-60-15-2R-1 PARA 4 B(9).; [10] OK TO INSTALL ACB AFT SCUFF PLATE.; [11] VERIFIED CORRECTIVE ACTIONS #7;#8 AND #9<BR>VERIFIED OK TO INSTALL ACB AFT SCUFF PLATE; [12] INSTALLED AFT CARGO BAY- AFT SCUFF PLATE PER SRM 53-60-15-2R-1.; [13] ADDED TOOL USED<BR>TORQUE DRIVE ID: E11762 SN:UNKNOWN DUE:11/2021.; [14] VERIFIED CORRECTIVE ACTIONS #12 AND #13

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