SDR UPS07M49927

Service difficulty report · Structure · Doug MD11F

Difficulty date: April 12, 2007
Submitted: June 11, 2007
Operation: Air carrier
Aircraft: N287UP
Make and model: Doug MD11F
Aircraft serial: 48539
Aircraft time: 62,215 hours, 9,282 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 HORZ STAB BARREL NUT BORE LEFT NR 31 FOUND WITH CORROSION. CORROSION REMOVED SRM 51-21-01 VII R38 BOTTOM REMAIN BLENDOUT 0.032" DEEP BORE REAMED TO 1.178" DIA - REMAIN BLENDOUT 0.059" DEEP FOUND EXCEED EO LIMITS. 10 X MAG DVI C/O NO CORROSION. BORE BLENDOUT & BOTTOM PERI RADIUSED, SMOOTHEN & PROTECTED SRM 51-21-01 VII R38. REPAIR SLEEVE BUSHING FAB, PROTECTED & INSTALLED PER EO FIG 5. REPAIR C/O AT BN BORE NR 31 LT IAW EN1229-07.

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