SDR UPS04M42526

Service difficulty report · Structure · Doug MD11F

Difficulty date: March 26, 2004
Submitted: June 4, 2004
Operation: Air carrier
Aircraft: N275UP
Make and model: Doug MD11F
Aircraft time: 21,028 hours, 5,292 cycles
System (JASC): 5510 · Horizontal Stabilizer Structure
Part: Structure
Condition: Corroded
Location: Zone 300
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, BARREL NUT HOLE NR 08 FOUND CORROSION AT BOTTOM, SIDEWALL AND BEARING SURFACE. CORROSION AT BOTTOM OF BARREL NUT HOLE REMOVED BOTTOM BORED DOWN 0.018 INCH PER EN 1124-04. SLEEVE BUSHING FABRICATED & INSTALLED PER EO MD11-55 10-19409-E. BARREL NUT HOLE REPAIRED PER EN 1158-04 (REF UPS ENGINEERING FILE NR MD11-55-20025).

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