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Old February 17th, 2007, 12:57   #26
SteveC
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Default Re: Mesa CRJ engine failure at DEN?

Update.

Quote:
Yesterday the FAA issued an emergency AD calling for inspection of about 31 disks. Here is some of the content which helps to provide some additional insight into this investigation:

--------------
DATE: February 16, 2007
AD #: 2007-04-51


This emergency airworthiness directive (AD) 2007-04-51 is sent to all owners and operators of General Electric Aircraft Engines (GE) CF34-3A1/-3B/-3B1 turbofan engines installed on Bombardier, Inc. CL-600-2B16 (CL-601-3R Variant), CL-600-2B16 (CL-604 Variant), and CL-600-2B19 (Regional Jet Series 100 and 440) model airplanes.

Background

This emergency AD results from a report that a GE CF34-3B1 turbofan engine experienced an uncontained fan disk failure during flight operation. After landing the airplane, an inspection of the GE CF34-3B1 engine showed the front section of the engine failed, resulting in the fan, forward cowlings, and fan reverser departing from the engine. The airplane sustained minor fuselage damage. A subsequent inspection of the recovered segments of the fan disk, found an electrical arc-out defect at the fracture origin site. The fan disk was marked using the electro-chemical etch marking (ECM) procedure during engine assembly. If the ECM procedure is performed incorrectly, an arc-out defect can occur. This arc-out defect, caused during part marking, resulted in the uncontained failure. This condition, if not corrected, could result in an uncontained fan disk failure and airplane damage.
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Old February 17th, 2007, 19:38   #27
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Default Re: Mesa CRJ engine failure at DEN?

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Originally Posted by Chris_Ford View Post
You can believe what you choose. You can also believe the truth.

The pictures correspond with a movie filming. When this incident you mentioned happened the other day, someone coupled the picture with the story, however, the pictures are from a movie filming.

Yes, I'm kidding
http://www.ntsb.gov/ntsb/brief.asp?e...31X00119&key=1

Would you like some crow? NTSB seems to believe it was real...
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Old February 17th, 2007, 19:59   #28
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Default Re: Mesa CRJ engine failure at DEN?

Neil did you read the white text in my post?
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Old February 17th, 2007, 20:03   #29
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Default Re: Mesa CRJ engine failure at DEN?

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Originally Posted by BrettInLJ View Post
Ehh, maintenence can defer it.

LMAO - I'm sure someone in MX was looking in the MEL's seeing how they could. Too funny!
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Old February 17th, 2007, 20:05   #30
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Default Re: Mesa CRJ engine failure at DEN?

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Originally Posted by Chris_Ford View Post
Neil did you read the white text in my post?
Oh... My bad... pass that crow over here. Got some mustard too?
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