Service difficulty report · Skin · Doug DC873F

Difficulty date
March 21, 2006
Submitted
April 7, 2006
Operation
Air carrier
Aircraft
N801DH
Make and model
Doug DC873F
Aircraft serial
46033
Aircraft time
83,564 hours, 31,809 cycles
Part
Skin
Condition
Corroded
Location
Rudder
Part time
83,564 hours, 31,809 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

RIGHT RUDDER EXTERNAL SKIN CORRODED, STA ZR 257.906 (MAJOR REPAIR). PERFORMED MAJOR REPAIR IAW SRM 55-6-1 FIG 1. REMOVED CORROSION FROM RIGHT RUDDER EXTERNAL SKIN STA ZR 257.906 IAW SRM 51-1-8 PG 17-18. FOUND OUT OF LIMITS IAW SRM 55-2-0 PG 12. REMOVED CORRODED PANEL PLATING IAW SRM 55-1-0, SRM 51-1-21. FABRICATED NEW PLATING AND BONDED DOUBLER (AL2024T3 0.016) IAW SRM 55-6-1 PG 2 FIG 1. BONDED BOTH PARTS WITH HYSOL IAW SRM 51-1-9, SRM 51-1-9A. APPLIED SEALANT TO FAYING SURFACE IAW SRM 51-1-11. INSTALLED NEW PANEL PLATING IAW SRM 51-1-21, SRM 51-3-0, SRM 51-3-1 (TORQUE) BALANCED RUDDER IAW SRM 51-4-6 PG 1-6. INSTALLED 2EA WEIGHTS P/N 3702567-507 AND 1EA RETAINER P/N 5702264-15. MOMENT 2476.9 IN-LBS.

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