SDR UPS07M50382

Service difficulty report · Structure · Doug MD11F

Difficulty date: June 8, 2007
Submitted: August 6, 2007
Operation: Air carrier
Aircraft: N260UP
Make and model: Doug MD11F
Aircraft serial: 48418
Aircraft time: 54,799 hours, 9,865 cycles
System (JASC): 5514 · Horizontal Stabilizer Miscellaneous Structure
Part: Structure
Condition: Corroded
Location: Horiz Stab
Stage of operation: IN
How discovered: V
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 HORIZONAL STAB NR 36 BARREL NUT BORE FOUND CORRODED. CORROSION AT BARREL NUT BORE REMOVED PER SRM 51-21-01 V2 R38 BOTTOM REM BLEND OUT 0.110" DEEP BORE REAMED 0.2538" DIA REM BLEND OUT 0.090" FOUND EXCEEDING EO LIMITS. BORE REAMED TO 2.602" & BOTTOM BORED DOWN FURTHER 0. 080" PER EN1364-07. BARREL NUT BORE BLEND OUT & BOTTOM PERIPHERY SMOOTHEN & PR PROTECTED. BARREL NUT BORE REP C/OUT IS ACCEPTABLE PER EN1364.07.

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