Service difficulty report · Scuff Plate · Boeing 7377H4

Difficulty date
September 17, 2021
Submitted
October 25, 2021
Operation
Air carrier
Aircraft
N448WN
Make and model
Boeing 7377H4
Aircraft serial
33721
Aircraft time
58,879 hours, 34,833 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

CRACK CENTER SCUFF PLATE AT FWD CARGO. EVALUATED CENTER SCUFF PLATE, FOUND CRACKS MEASURE AS FOLLOW; ( 1 )L=2.1145 INCHES ( 2 )L=1.1575 INCHES ( 3 )L=0.4595 INCHES ( 4 )L=0.2835 INCHES ALL THESE CRACKS MUST BE REPAIRED BY WELDS IAW SRM 53-30-15-2R-1, REPAIR 1, PARAGRAPH 4. C. REPAIRED THE SCUFF PLATE IAW SRM 53-30-15-2R-1, REPAIR 1, PARAGRAPH 4.C STEP (4) ,FIGURE 203 AND BAC 5975. PERFORMED DYE PENETRANT INSPECTION ON WELDED AREAS IAW SOPM 20-20-02 AND SRM 53-30-15-2R-1 REPAIR 1 PARAGRAPH 4.C. STEP (4). CRACK INDICATIONS NOT FOUND. APPLIED TWO LAYERS OF BMS 10-11 TYPE L PRIMER TO THE INNER SURFACE OF THE MIDDLE SCUFF PLATE IAW SRM 53-30-15-2R-1 REPAIR 1 PARAGRAPH 4.C STEPS (5)(6)(7).

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