Service difficulty report · Scuff Plate · Boeing 7377H4

Difficulty date
August 7, 2021
Submitted
September 10, 2021
Operation
Air carrier
Aircraft
N754SW
Make and model
Boeing 7377H4
Aircraft serial
29849
Aircraft time
74,935 hours, 44,224 cycles
Part
Scuff Plate
Condition
Cracked
Location
Fuselage
Stage of operation
IN
How discovered
V
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

CUSTOMER REQUEST CRACK SCUFF PLATE AFT CORNER FWD ENTRY DOOR AT FWD GALLEY AREA ; 2021-368688 / [01] EVALUATED AFT CORNER SCUFF PLATE AT FWD ENTRY DOOR GALLEY AREA FOUND CRACK (1EA) MEASURE IS:L=01450 INCH;THE CRACK IS WITHIN LIMIT OF REPAIR IAW BOEING 737-700 SRM 53-10-15-2R-2 REPAIR 2.TOOL USED DIGITAL CALIPER P/N:500-197-30;S/N:B20189526;DUE DATE:22-NOV-21.; [02] VERIFIED STEP 1; [03] WELDED CRACK LOCATED ON SCUFF PLATE AFT CORNER FWD ENTRY DOOR AT FWD GALLEY AREA IAW BOEING 737-700 SRM 53-10-15-2R-2 REPAIR 2 PARAGRAPH 4.B STEPS (3) AND (4) FIGURE 203 AND BAC 5975 USING AMS 4954 WELD ROD.; [04] VERIFIED STEP 3; [05] PERFORMED LIQUID PENETRANT INSPECTION ON SCUFF PLATE AFT CORNER FWD ENTRY DOOR WELDED AREAS AS PER BSOPM 20-20-02 NO CRACKS WERE FOUND.; [06] APPLIED ONE LAYER OF BMS 10-11 TYPE 1 PRIMER ON THE INNER SURFACES OF THE SCUFF PLATE AFT CORNER FWD ENTRY DOOR AT FWD GALLEY AREA IAW BOEING 737-700 SRM 53-10-15-2R-2 REPAIR 2 PARAGRAPH 4.B STEPS (6)(8).; [07] VERIFIED STEP 6; [08] REPAIRED SCUFF PLATE AFT CORNER FWD ENTRY DOOR AT FWD GALLEY AREA IAW BOEING 737-700 SRM 53-10-15-2R-2 REPAIR 2 PARAGRAPH 4.B AND BAC 5975.; [09] REPAIRED SCUFF PLATE AFT CORNER FWD ENTRY DOOR AT FWD GALLEY AREA IAW BOEING 737-700 SRM 53-10-15-2R-2 REPAIR 2 PARAGRAPH 4.B AND BAC 5975.

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