Service difficulty report · Structure · Doug MD11F

Difficulty date
August 28, 2007
Submitted
October 29, 2007
Operation
Air carrier
Aircraft
N290UP
Make and model
Doug MD11F
Aircraft serial
48456
Aircraft time
78,001 hours, 12,487 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 RIGHT HORIZONTAL STABILIZER BARREL NUT HOLE 36R HAS CORROSION IN BORE. TORQUE BOX WEB CUT FOR ACCESS. BARREL NUT BORE CORROSION REMOVED & BORE REAM & REMAINING BLEND OUT FOUND EXCEEDING LIMITS. 10X MAGNIFICATION DETAIL VISUAL INSP C/OUT FOUND NO CORROSION. BARREL NUT BORE REAM FURTHER & BORE BOTTOM MACHINE DOWN DEEPER. BARREL NUT BORE BLEND OUT & BOTTOM PERIPHERY RADIUS SMOOTHEN & PROTECTED. CUT OUT FR PRIMER.

More about the Doug MD-11F