Service difficulty report · Structure · Doug MD11F

Difficulty date
August 1, 2007
Submitted
September 28, 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 HORIZONTAL STAB CONSTANT SECTION BARREL NUT BORE RIGHT NR 32 FOUND WITH CORROSION. CORROSION AT BARREL NUT BORE REMOVED PER SRM 51-21-01 VII R38. BOTTOM BORED THRU, BORE REAMED TO 1.178" DIA. REMN BLEND OUT 0.020" DEEP, EXCEEDS LIMITS. BARREL NUT BORE, BLEND OUT VOIDS SMOOTHEN & PROTECTED. BUCKET BUSHING FABBED, PROTECTED & INSTALLED. REPAIR C/O AT BARREL NUT BORE NR 32 RIGHT IS ACCEPTABLE PER EN 1489-07.

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