SDR UPS08M52850

Service difficulty report · Structure · Doug MD11F

Difficulty date: May 30, 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 HORIZ STAB BARREL NUT BORE NR 28 FOUND CORRODED, CORROSION AT BARREL NUT BORE REMOVED IAW SRM 51-21-01 VII REV35. BORE REAMED TO 1.178" DIA, REMAINING BLEND OUT 0.060", BOTTOM REMAINING 0.070" DEEP. BORE BLEND OUT FOUND EXCEEDING LIMITS IAW EO MD11-5510-19409M. 10X MAGNIFICATION DVI C/O & FOUND NO CORROSION EVIDENT. REPAIR BARREL NUT BORE NR 28 RT WAS ACCOMP IAW EN 1239-08 & IS ACCEPT IAW EO MD11-5510-30012-A.

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