Service difficulty report · Skin · Doug DC873F

Difficulty date
April 2, 2011
Submitted
May 16, 2011
Operation
Air carrier
Aircraft
N805DH
Make and model
Doug DC873F
Aircraft serial
46125
Aircraft time
87,589 hours, 32,560 cycles
Part
Skin
Condition
Corroded
Location
Rudder
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

RT RUDDER EXT SKIN CORRODED, STA ZR 140.750 (GALVANIC CORROSION). PERFORMED MAJOR REPAIR IAW SRM 55-6-1, FIG 1 REMOVED COROSION IAW SRM 51-1-8 PG 17-18. FOUND OUT OF LIMITS IAW SRM 55-2-0 FIG. 6. REMOVED CORRODED PANEL PLATING IAW SRM 55-1-0 PG 1, SRM 51-1-21. FABRICATED PLATING + BONDED FINGER DOUBLER BOTH FROM 2024T3 0.016" IAW SRM 55-6-1 FIG. 1 ITEM "A". BONDED BOTH PARTS IAW SRM 51-1-9 TR 51-142, SRM 51-1-9A TR 51-141. CLEANED, TREATED & PRIMED AREA + PANEL PLATING IAW SRM 51-1-8B. INSTALLED NEW PANEL PLATING IAW SRM 51-1-11 (PRC) SRM 51-1-21. REF TO NR 269636 FOR BALANCING.

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