Service difficulty report · Structure · Doug MD11

Difficulty date
November 15, 2007
Submitted
January 23, 2008
Operation
Air carrier
Aircraft
N291UP
Make and model
Doug MD11
Aircraft serial
48477
Aircraft time
45,846 hours, 5,703 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 LT NR 36 BARREL NUT BORE FOUND WITH CORROSION. CORROSION AT B-NUT BORE REMOVED. BORE BOTTOM REMAINING BLEND OUT 0.075" DEEP. BORE REAM TO 2.538" DIA AND REMAINING BLEND OUT 0.080" DEEP, FOUND EXCEED EO MD 11-5510-19409-L, 10X MAG INSP C/O, FOUND NO CORROSION EVDT. REPAIR SLEEVE BUSHING FAB, PROTECTED AND INSTALLED. C/O FR PRIMER TOUCH UP AT REPAIR AREA. REPAIR C/O IS ACCEPTABLE PER EN 1724-07.

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