SDR UPS08M52845

Service difficulty report · Structure · Doug MD11F

Difficulty date: May 24, 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, LT HORIZ STAB BARREL NUT BORE NR33 FOUND CORRODED CORROSION AT BARREL NUT BORE REMOVED IAW SRM 51-21-01 VII REV 35. BORE REAM TO 1.178" DIA, REMAINING SIDEWALL BLEND OUT 0.020" DEEP, BOTTOM SURFACE REMAINING BLEND OUT 0.065" DEEP, BLEND OUT AT BORE FOUND EXCEEDING LIMITS IAW EO MD11-5510-19409M. REPAIRED BARREL NUT BORE NR 33 LT WAS ACCOMP LISHED IAW EN 1222-08 & IS ACCEPTABLE IAW EO MD11-5510-29972-A.

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