Service difficulty report · Skin · Doug DC871F

Difficulty date
July 6, 2005
Submitted
August 9, 2005
Operation
Air carrier
Aircraft
N822BX
Make and model
Doug DC871F
Aircraft serial
45813
Aircraft time
89,890 hours, 37,461 cycles
Engine
Ge CFM56*
Part
Skin
Condition
Corroded
Location
Xs250.089
Part time
89,890 hours, 37,461 cycles
Stage of operation
IN
How discovered
V
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

DURING ROUTINE C CHECK INSPECTION, RT WING IB L/E UPPER PART EXTERNAL SKIN CORRODED XS 250.089. PERFORMED MAJOR REPAIR IAW SRM, TR NR 57-85, EO SEMAN NR 2005984 DATE 06-18-05. REMOVED FASTENERS IAW SRM 51-1-21 PAGE 1, SRM. REMOVED CORROSION IAW SRM. FOUND OUT OF LIMITS IAW SRM. REMOVED CORRODED AREA IAW SRM 57-2-1 FIG. 38. PERFORMED VISUAL INSPECTION NO CRACK, CORROSION FOUND. FABRICATED DOUBLER (ALCLAD 7075 T6 0.071) + FILLER (ALCLAD 7075 T6 0.063) IAW SRM 57-2-1 FIG. 38, SRM 57-3-1 FIG. 3. CLEANED, TREATED AND PRIMED AREA + REPAIR PART INTERNAL PART IAW SRM 51-1-8B. APPLIED SEALANT TO FAYING SURFACES IAW SRM 51-1-11 PAGE 9. INSTALLED REPAIR PARTS WITH NEW FASTENERS IAW SRM, TORQUED IAW SRM 51-3-1.

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