Service difficulty report · Doubler · Boeing 7377K9

Difficulty date
December 2, 2021
Submitted
January 18, 2022
Operation
Air carrier
Aircraft
N7814B
Make and model
Boeing 7377K9
Aircraft serial
30042
Aircraft time
56,070 hours, 29,520 cycles
Part
Doubler
Condition
Cracked
Location
Fuselage
Stage of operation
UK
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

EXTERNAL POWER RECEPTACLE DOOR LOWER CUT OUT SKIN DOUBLER IS CRACKED. PROTECTED EWIS AREA AT EXTERNAL POWER RECEPTACLE DOOR. IAW AMM 20-60-07-913-801. REMOVED DOOR PANEL 114 AR FOR GAIN ACCESS. IAW SRM 51-40-02-0G-0. REMOVED THE INITIAL RUBBING BLOCK; THE LAMINATED SHIM AND TRIMMED OUT THE DAMAGE AREA AT EXTERNAL POWER RECEPTACLE DOOR LWR CUTOUT SKIN. IAW SRM 53-10-15-2R-4 FIG. 204 DETAIL C. PERFORMED HFEC AT CUT OUT IAW NDTM PART 6; 51-00-00 PROCEDURE 23. NO CRACKS. FABRICATED DOUBLER FOR REPAIR PART. FABRICATED FILLER FOR REPAIR PART IAW SRM 53-10-15-2R-4 FIG. 204 DETAIL C. TREATED AND PRIME DOUBLER AND FILLER IAW SRM 51-20-01.

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