Service difficulty report · Structure · Doug MD11F

Difficulty date
August 10, 2007
Submitted
September 26, 2007
Operation
Air carrier
Aircraft
N289UP
Make and model
Doug MD11F
Aircraft serial
48455
Aircraft time
75,126 hours, 12,047 cycles
Part
Structure
Condition
Corroded
Location
Horizontal Stab
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

INSPECTION TYPE:C HORIZ STAB CONSTANT SECTION BARREL NUT BORE RT NR 31 FOUND WITH CORROSION. CORR AT BARREL NUT BORE RMVD PER SRM 51-21-01VII R38. BOTTOM SURFACE BORED THRU BORE REAMED TO 1.178" DIA, REMN BLEND OUT 0.030" DEEP, EXCEEDED LIMITS. BARREL NUT BORE & BLEND OUT VOID RADIUS SMOOTHENED & PROTECTED PER SRM 51-21-01 VII R38. BUCKET BUSHING FAB, PROTECTED & INSTALLED. REPAIR C/O AT BARREL NUT BORE NR 31 RT IS ACCEPTABLE AS PER EN 1517-07.

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