Service difficulty report · Skin · Doug DC873F

Difficulty date
November 17, 2006
Submitted
November 23, 2006
Operation
Air carrier
Aircraft
N807DH
Make and model
Doug DC873F
Aircraft serial
45990
Aircraft time
89,216 hours, 27,811 cycles
Part
Skin
Condition
Corroded
Location
Lt Wing
Part time
89,216 hours, 27,811 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

LT WING L/E UPPER SKIN CORROSION AT STA XS 250.080 (MAJOR REPAIR). PERFORMED MAJOR REPAIR IAW FAA FORM 8110-3 DATED NOV 15/06, DWG AC24-57-R06 REV IR DATED 11-03-06. REMOVED EXISTING REPAIR DOUBLER NEAR AFFECTED AREA IAW SRM 51-1-21, SRM 51-1-20D. REMOVED CORROSION IAW SRM 51-1-8 PG 17-18. FOUND OUT OF LIMITS IAW SRM 57-2-1 FIG 2G. FABRICATED EXTERNAL REPAIR DOUBLER (AL7075T6 0.125") IAW DWG AC24-57-R06. CLEANED,TREATED AND PRIMED AREA AND INNER FACE OF EXTERNAL REPAIR DOUBLER IAW SRM 51-1-8B. APPLIED SEALANT TO FAYING SURFACE IAW SRM 51-1-11. INSTALLED EXTERNAL REPAIR DOUBLER IAW DWG AC24-57-R06, SRM 51-1-21, SRM 51-3-0, SRM 51-1-20D, SRM 51-3-1 (TORQUE).

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