Service difficulty report · Skin · Boeing 7377H4

Difficulty date
December 19, 2022
Submitted
January 18, 2023
Operation
Air carrier
Aircraft
N933WN
Make and model
Boeing 7377H4
Aircraft serial
36640
Aircraft time
44,739 hours, 27,195 cycles
Part
Skin
Condition
Cracked
Location
Rt Wing Slat
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 AROUND THE FASTENER AT NO.6 SLAT LOWER SURFACE OF THE L/E SLAT NOSE SKIN AT ACTUATOR RIBS. REMOVED DAMAGE PART OF THE #6 SLAT NOSE SKIN 6' X 3' IAW SRM 57-42-01-2R-8 REPAIR 8 PAR 4.F(1). (A-C). FABRICATED, LOCATED, DRILLED, DEBURRED, APPLIED CHEMICAL CONVERSION COAT, PRIMED REPAIR AND BARE SURFACES, DOUBLER, FILLER, IAW SRM SRM 57-42-01-2R-8 REPAIR 8 PAR 4.F(3)-(9). INSTALLED COUNTERSINK REPAIR WASHER ON INITIAL FASTENER HOLES IAW SRM SRM 57-42-01-2R-8 REPAIR 8 PAR 4.F(3)(G). INSTALLED THE DOUBLER AND FILLER IAW SRM 57-42-01-2R-8, REPAIR 8, PAR 4.H(1-3).

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