Service difficulty report · Skin · Boeing 7378H4

Difficulty date
December 23, 2021
Submitted
December 30, 2021
Operation
Air carrier
Aircraft
N8673F
Make and model
Boeing 7378H4
Aircraft serial
36937
Aircraft time
20,472 hours, 9,411 cycles
Part
Skin
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 DOOR CUTOUT FRAME SKIN CRACKED AND BROKEN AT LOWER LATCH BLOCK ; / [01] VERIFIED MATERIAL; -2 DOUBLER 2024 T3 .050' ATAG A34144; -3 FILLER 2024-T3 .040' ATAG A12631 IAW SRM 53-10-15-2R-4 TABLE 201.; [02] VERIFIED STEP 1; [03] CUT AND REMOVED DAMAGED SECTION OF SURROUND DOUBLER IAW SRM 53-10-15-2R-4 SECTION 4.C; [04] VERIFIED STEP 3<BR><BR>HFEC IAW B737 NDT P6 51-00-00 P23 TOOL 36303 DUE 13APR22 NO CRACKS NOTED; [05] ACCOMPLISHED 10X VISUAL INSPECTION; NO DEFECTS FOUND; ACCOMPLISHED INSURANCE CUT IAW SRM 53-10-15-2R-4 SECTIONS 4.C (6) AND (7).; [06] LOCATED; DRILLED; FABRICATED REPAIR PARTS IAW SRM 53-10-15-2R-4 SECTIONS 4 E-J.; [07] VERIFIED STEPS 5 AND 6 C/W<BR><BR>OK TO TREAT AND PRIME; [08] APPLIED CHEMICAL CONVERSION AND PRIMER TO REPAIR AREA AND REPAIR PARTS IAW SRM 53-10-15-2R-4 SECTION 4.K AND L.; [09] VERIFIED STEP 8 C/W<BR><BR>OK TO INSTALL REPAIR PARTS; [10] INSTALLED REPAIR PARTS WET WITH BMS 5-95 SEALANT IAW SRM 53-10-15-2R-4 SECTION 4.M; [11] ACCOMPLISHED REPAIR AT ELECTRICAL GROUND POWER RECEPTACLE SURROUND DOUBLER AT LOWER LATCHING POINT IAW SRM 53-10-15-2R-4 - SEE ABOVE FOR COMPLETED WORK.; [12] VERIFIED STEPS 10 AND 11<BR>AUDIT CW

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