Service difficulty report · Structure · Doug MD11F

Difficulty date
August 13, 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 RT NR 33 FOUND WITH CORROSION. CORR AT BARREL NUT BORE RMVD PER SRM 51-21-01 VII R38. BOTTOM BORED THRU & BORE REAM TO 1.178" DIA. RMN BLEND OUT 0.050" DEEP. EXCEEDED LIMITS. BORE REWK FURTHER TO 1.203" DIA PER EN 1522-07. BUCKET BUSHING FAB, PROTECTED PER SRM 51-21-01 VII R38. BUCKET BUSHING INSTALLED. REPAIR C/O AT BARREL NUT BORE NR 33 RT IS ACCEPTABLE PER EN 1522-07.

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