Service difficulty report · Scuff Plate · Boeing 7377H4

Difficulty date
May 5, 2022
Submitted
June 9, 2022
Operation
Air carrier
Aircraft
N477WN
Make and model
Boeing 7377H4
Aircraft serial
33988
Aircraft time
60,414 hours, 35,826 cycles
Part
Scuff Plate
Condition
Cracked
Location
Fwd Cargo Bay
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; AFT CORNER SCUFF PLATE IS CRACKED / [01] WELDED CRACK ON RADIUS OF FWD CARGO BAY; AFT CORNER SCUFF PLATE USING ER4043 FILLER ROD LOT # 1131216 PER SRM 53-30-15-2R-1 PARA 4.B.(2) AND (4)<BR>WELDING MACHINE CALIBRATION ID; E10583; DUE DATE 12/2022;[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: 08/22;[04] SANDED REPAIR AREA SMOOTH PER SRM 53-30-15-2R-1 PARA 4.B. (5);[05] VERIFIED CORRECTIVE ACTION 4.;[06] APPLIED CHEMICAL CONVERSION COATING AND PRIMER TO BARE METAL AREAS IAW SRM 53-30-15-2R-1 STEPS 4.B.(6-7). OK TO INSTALL;[07] VERIFIED CORRECTIVE ACTION 6.;[08] INSTALLED FCB AFT CORNER SCUFF PLATE IAW SRM 53-30-15-2R-1 STEPS 4.B.(8-13)<BR>SCREWGUN USED ID:E11916 S/N:WI02C-121079 DUE:03/2023;[09] INSPECTED & VERIFIED CORRECTIVE ACTION ITEM 8.;[10] UPDATED MEASUREMENTS;[11] VERIFIED CORRECTIVE ACTION ITEM 10; JOB COMPLETE.

More about the Boeing 737-7H4