SDR UPS08M52849

Service difficulty report · Structure · Doug MD11F

Difficulty date: May 18, 2008
Submitted: July 28, 2008
Operation: Air carrier
Aircraft: N296UP
Make and model: Doug MD11F
Aircraft serial: 48474
Aircraft time: 61,716 hours, 8,567 cycles
System (JASC): 5510 · Horizontal Stabilizer Structure
Part: Structure
Condition: Corroded
Location: Horizontal 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, RT HORIZONTAL STABILIZER BARREL NUT BORE NR30 FOUND CORRODED. CORROSION AT BARREL NUT BORE REMOVED IAW SRM 51-21-01 VII REV 35. BORE REAM TO 1.178" DIA REMAINING BLEND OUT 0.040" DEEP, BORE BLEND OUT FOUND EXCEEDING LIMITS IAW EO MD11-5510-19409M.10X MAGNIFICATION DETAIL VISUAL INSP & FOUND NO CORROSION EVIDENT. REPAIRED BARREL NUT BORE NR 30 RT WAS ACCOMPLISHED IAW EN 1210-08 & IS ACCEPTABLE IAW EO MD11-5510-30012-A.

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