Service difficulty report · Scuff Plate · Boeing 7377H4

Difficulty date
May 21, 2023
Submitted
June 20, 2023
Operation
Air carrier
Aircraft
N429WN
Make and model
Boeing 7377H4
Aircraft serial
33658
Aircraft time
66,602 hours, 39,316 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 AFT CORNER SCUFF PLATE IS CRACKED<[01] WELDED CRACK ON AFT CARGO BAY AFT CORNER SCUFF PLATE USING ER4043 FILLER ROD LOT NUMBER 1131216 PER SRM 53-60-15-2R-1 REPAIR 1 PARA 4.B. (2) AND (4)<BR>EQUIPMENT USED: WELDING MACHINE E10583; CALIBRATION DUE 01/2024;[02] VERIFIED CORRECTIVE ACTION ITEM 1.;[03] DYE PENETRANT INSPECTED WELDED AREA PER SOPM 20-20-02. NO DEFECTS NOTED. EQUIPMENT USED DLM-1000 RADIOMETER; ID # ATS2561; CAL DUE: 08/31/2023;[04] SANDED WELD AREA PER SRM 53-60-15-2R-1 REPAIR 1 PARAGRAPH 4.B. (5);[05] VERIFIED CORRECTIVE ACTION ITEM 4.;[06] ALL MAINTENANCE ACTION ARE COMPLETE REQUEST FINAL BUY OFF.;[07] VERIFIED MEASUREMENT TABLE

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