SDR UPS08M52847

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 NR27 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 0.025" DEEP, BOTTOM REMAINING BLEND OUT 0.055" DEEP. BORE BLEND OUT FOUND EXCEEDING LIMITS IAW EO MD11-551 0-19409M. 10X MAG DVI C/O & FOUND NO CORROSION EVIDENT. REPAIRED B/N BO RE NR 27RH WAS ACCOMP IAW EN1209-08 & IS ACCEPT IAW EO MD11-5510-30012A.

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