Well, yes, most metal when heated tends to expand. PT-6’s are as reliable as a bunson burner. P&W has been making them for a thousands years so I gotta guess that they know enough to set the clearances to account for expansion. A loud bang could mean a blade root failure or a gear box failure of some kind.
A thorough look at the maintenance logs will tell them how many hours since the last major overhaul. Now if someone has run things past the recommended TBO well, that would be a problem for the operator, not P&W
There was no loud bang on the video, and the passengers were videotaped acting normally without a care in the world until the stall warning sounded - which would have had to be after the alleged loud bang, the engine stopping, and fairly rapid descent (which Puentes didn’t seem interested in at all until after the stall warning, even though his purpose for having the 2 GoPros and waterproof microphone with him was allegedly to get footage of the flight/takeoff). If there was a loud bang before all that, the passengers were acting quite nonchalantly on the video, with Rosa Key acting surprised and touching her husband’s shoulder across the aisle only when the stall warning sounded...
The claim of a loud bang is the only detail from eyewitnesses that suggests there was anything necessarily wrong with the engine (as opposed to the “engine failure” being faked), and the claim doesn’t necessarily fit with the video.
Given that there are about 10 identifiable extra people in the water in the minutes after the crash as videotaped by Puentes, with what appears to be equipment such as masks, goggles, rebreather, and tanks, the “crash” seems to have been planned. And since the eyewitnesses in the video were in at least one instance actually holding onto one of the extra people and yet said nothing about it to anybody, those eyewitnesses presumably knew the crash was planned and went along with it as if the official story of nobody else being there until help arrived about an hour later is really what happened, so those eyewitness accounts are suspect.
The Hawaii government is doing everything in their power to keep from giving me copies of the transcripts of the sworn witness statements, which are required by law and are public records. The “lost in the mail” excuse is wearing mighty thin about right now... And the records I’ve received so far are a big mess of contradictions - substantial contradictions on every major point of the official narrative. As I’ve noted elsewhere, one fatality was reported in the media 14 minutes before the helo that supposedly lifted Fuddy from the water even arrived on-scene. And there are also a bunch more problems with all the public accounts and official reports received thus far.
The FAA won’t give the maintenance logs but the owner said their maintenance exceeded the legal requirements, and the aircraft was certified to fly with the number of hours on this engine, though it was due for an engine overhaul before too long. That certification was based on recommendations coming from a history in which the NTSB had only investigated 2 commercial Cessna 208Bs’ engine failures in over 30 years, with no fatalities. While turbine blades can and do break off, as of the time of this crash the NTSB had never found it to happen with this engine in over 30 years’ worth of engines that received the maintenance required for commercial aircraft. This “engine failure” was the 2nd of 2 commercial Cessna 208B engine failures within 50 days and 25 miles of each other. The first occurred 3 days after Doug Vogt named Loretta Fuddy in a criminal fraud complaint.
The wolves will soon be here and I don’t have time to be slowed down by them so I probably won’t stick around but you seem to be a reasonable person so I thought I’d respond. Feel free to freepmail me if you have questions or comments.