SDR UPS07M51253

Service difficulty report · Structure · Doug MD11

Difficulty date: October 19, 2007
Submitted: December 5, 2007
Operation: Air carrier
Aircraft: N292UP
Make and model: Doug MD11
Aircraft serial: 48566
Aircraft time: 42,234 hours, 6,015 cycles
System (JASC): 5510 · Horizontal Stabilizer Structure
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 RT HORIZ STAB NR 17 BARREL NUT HOLE FOUND CORRODED. CORROSION AT BARREL NUT BORE REMOVED PER SRM 51-21-01V.2R.35. REAM BORE FURTHER TO 1.089:DIAM PER EN1704-07. REAM B/NUT BORE FURTHER TO 1.12 1"DIA PER EN 1704-07. B/NUT BORE BLEND OUT VOIDS AND BOTTOM PERIPHERY RADIUS SMOOTHED AND PROTECTED PER SRM 51-21-01V.2R.40. REP SLEEVE BUSHING FAB AND PROTECTED PER EO MD11-5510-19409-L FIG 5. REP C/OUT IS ACCEPTABLE PER EN1704-07.

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