REFLECTOR: MT Prop TBO

[Scott Baker]

Bob,
If there is not evidence of grease marks; or if the 'play' at the tips of the propeller are less than 1/8" - then I suggest continued ops without regard to the low TBO number.
Best,
Scott B.
  ----- Original Message ----- 
  From: SlvEgl99 at aol.com 
  To: reflector at tvbf.org 
  Sent: Saturday, May 24, 2008 3:08 PM
  Subject: REFLECTOR: MT Prop TBO


  Since I received no responses to an earlier posting, I thought I would follow up.
  I have a Velocity XL with an MT constant speed prop. When doing my conditional I discovered a small amount of grease seeping out around one seal. It had not discolored the blade, but had stuck inside the spinner.

  In researching MT maintenance, I discovered that the prop has a TBO of 6 years or 1800 hours, whichever is earlier. I also learned that the governor has a TBO of 7 years.

  I asked what action anyone else has taken with regard to this.

  I received no responses, but have communicated with MT, and they confirm that this is still the TBO. I have scheduled prop removal and will deliver it to them for overhaul, along with the governor. Cost will be around $3,000 and they say about 3 weeks. Lots of money, but want to be safe amd legal.

  Robert Wood
  N658SE
  XL FG 





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