Service difficulty report · Scuff Plate · Boeing 737*

Difficulty date
September 2, 2021
Submitted
September 24, 2021
Operation
Air carrier
Aircraft
N229WN
Make and model
Boeing 737*
Aircraft serial
32498
Aircraft time
53,178 hours, 31,536 cycles
Part
Scuff Plate
Condition
Cracked
Location
Fuselage
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 CORNER SCUFF PLATE IS CRACKED ; / [01] WELDED CRACK ON RADIUS OF ACB AFT CORNER SCUFF PLATE USING ER4043 FILLER ROD LOT#1131216 IAW SRM 53-60-15-2R-1 PARA 4.B.(2) AND (4)<BR>WELDING MACHINE CALIBRATION INFO E10583 S/N KJ256554; [02] VERIFIED WELDED CRACK ON RADIUS OF ACB AFT CORNER SCUFF PLATE USING ER4043 FILLER ROD LOT#1131216 IAW SRM 53-60-15-2R-1 PARA 4.B.(2) AND (4) <BR>WELDING MACHINE CALIBRATION INFO E10583 S/N KJ256554; [03] DYE PENETRANT INSPECTED REPAIRED AREA IN ACCORDANCE WITH SOPM 20-20-02 METHOD A. NO DEFECTS NOTED.<BR><BR>CALIBRATED EQUIPMENT - ATS 2561 (CAL DATE 09/2021); [04] SANDED WELD REPAIR AREA IAW SRM 53-60-15-2R-1 PARA 4.B.(5); [05] VERIFIED SANDED WELD REPAIR AREA IAW SRM 53-60-15-2R-1 PARA 4.B.(5); [06] APPLIED CHEMICAL CONVERSION COATING; TWO COATS OF PRIMER AND ONE COAT OF PARTING AGENT IAW SOPM 20-43-03; SOPM 20-41-02; SOPM 20-50-19 OK TO INSTALL; [07] VERIFIED CORRECTIVE ACTION 6. <BR><BR>OK TO INSTALL; [08] INSTALLED AFT CARGO BAY AFT CORNER SCUFF PLATE IAW SRM 53-60-15-2R-1; [09] FILLING AND SMOOTHING COMPOUNT APPLICATION REJECTED - FAULT CREATED - TTG8Q006L0JA; [10] APPLIED FILLING AND SMOOTHING COMPOUND IN THE UPPER CORNER OF THE CORNER SCUFF PLATE TO THE DOORWAY TO GIVE A SMOOTH TRANSITION FOR THE DOOR SEAL IAW SRM 53-60-15-2R STEP 4.B.(13); [11] FILLING AND SMOOTHING COMPOUND PROPERLY COMPLETED IAW SRM 53-60-15-2R; JOB COMPLETE.