Service difficulty report · Doubler · Boeing 7377BD

Difficulty date
December 14, 2022
Submitted
January 26, 2023
Operation
Air carrier
Aircraft
N7713A
Make and model
Boeing 7377BD
Aircraft serial
33919
Aircraft time
57,380 hours, 30,141 cycles
Part
Doubler
Condition
Cracked
Location
Bs 235
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

ELECTRICAL GROUND POWER RECEPTACLE SURROUND DOUBLER EDGE SIDE HAS A CRACK AT APROX BS 235.8 BELOW MIDDLE OF LATCHING DOOR AREA. TRIMMED OUT THE DAMAGED AREA OF THE ELECTRICAL GROUND POWER RECEPTACLE SURROUND DOUBLER IAW SRM 53-10-15-2R-4 REPAIR 4. PERFORMED A 10X DVI INSPECTION, NO ADDITIONAL DAMGE NOTED. ACCOMPLISHED HFEC INSPECTION OF CUT OUT IAW NDTM D6-37239 PART 6 51-00-00 PROC 23. NO CRACKS FOUND. FABRICATED A DOUBLER, LOCATED DRILLED AND APPLIED A CHEMICAL CONVERSION COATING TO THE REPAIR PART IAW SRM 53-10-15-2R-4 REPAIR 4. ACCOMPLISHED HFEC INSPECTION OF INTERIOR STRUCTURE IAW NDTM D6-37239 PART 6 51-00-00 PROC 23, NO CRACKS FOUND. APPLIED PRIMER TO -1 REPAIR DOUBLER AND THE TRIM OUT AREA IAW SRM 53-10-15-2R-4 REPAIR 4, INSTALLED THE DOUBLER IAW SRM 53-10-15-2R-4 REPAIR 4.

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