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-   -   PT6 failures? (https://www.airlinepilotforums.com/technical/65850-pt6-failures.html)

Turboprop 02-25-2014 09:20 PM


Originally Posted by SVTCobra (Post 1528249)
When I was flying the BE-1900D for Air Midwest the left engine auto shutdown during cruise. They found the P3 line to fuel control unit had broke.



I have over 5,000 hours on PT6. same deal with me, BE-1900D in Miami, FCU failed right after takeoff.

Oil pump failed in Cuba.

727gm 02-25-2014 11:12 PM

in 3200 hrs, only failures were the activation of overspeed governor test limiting RPM to 2000 on one engine..... 3 occasions on three different airplanes (-20) over 7 years.

Phteven 03-27-2014 10:35 AM


Originally Posted by Gjn290 (Post 1561248)
It still is that way, and not just scheduled either, any 135 SE with passengers on board.

Yep, just need floatation devices.

TankerDriver 03-29-2014 08:48 AM

I know the T-6 Texan II had some chip detect issues early on due to the flip/flop oil sump sucking air during 0 and negative G maneuvers, so they pretty much prohibited them.

deftone 04-23-2014 09:11 AM


Originally Posted by joepilot (Post 1270137)
I flew a Beech 99 in for engine overhaul, and the mechanic showed me a couple of the turbine blades that had to be removed. I was amazed that the engine could still run with such badly eroded blades.

Joe

Im a Turbine Engineer....you would be surprised what some boroscopes find on engines that run well except for a "slight vibration" :D

mojo6911 11-18-2014 06:10 PM

Just had an FCU failure in the B200. Flew for an hour and a half without issue, unloaded passengers. Loaded up a few hours later and the right engine wouldn't go over 55% N1. Glad it happened when it did.

squiddy 11-07-2015 08:48 PM

Yes, -114 in Grand Caravan. PT failure at low altitude. Ditched. One passenger died of heart attack after getting out. Not a fan of PT-6.
Aircraft and engine were new 2002, engine first run. On MORE program.

HeWhoRazethAll 11-08-2015 08:03 AM

Only problem I ever had was an oil pressure loss on a -34. It happened right before my eyes when we were doing our trend data, so we actually shut down before problems. Never actually found out what happened, but I'm guessing oil pump.

BFMthisA10 11-15-2015 06:28 PM


Originally Posted by squiddy (Post 2007279)
Yes, -114 in Grand Caravan. PT failure at low altitude. Ditched. One passenger died of heart attack after getting out. Not a fan of PT-6.
Aircraft and engine were new 2002, engine first run. On MORE program.

This one?:


Originally Posted by Rama (Post 1538403)


Rhombus 11-18-2015 06:53 PM

I have 2900 hrs behind -42 and -60. B200 and 350. Never a single stutter. Just my experience. Your mileage may vary.


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