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A Quarter Of Usaf C-130 Fleet Grounded


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#1 Panzermann

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Posted 09 August 2019 - 0841 AM

Not only the German Tiger helos have a crack problem:

US Air Force pauses flight ops for more than a hundred C-130s over atypical cracking
 
 
WASHINGTON More than a quarter of Air Mobility Commands C-130 Hercules fleet are being temporarily removed from service after atypical cracking was found.
 
During scheduled depot maintenance, the U.S. Air Force discovered cracking of the lower center wing joint also known as the rainbow fitting which led Air Mobility Command head Gen. Maryanne Miller to order an inspection of a portion of the fleet, according to an AMC statement released Wednesday evening.
 
A total of 123 of 450 C-130H and C-130J aircraft will be temporarily grounded while inspections occur. This temporary removal of service will not impact ongoing C-130 support to overseas contingency operations, AMC said in its statement.
 
The decision to pause operations and conduct inspections was made after a single C-130 was found with the lower center wing joint cracks, said AMC spokesman Maj. Jonathan Simmons. But the risk posed by the issue that the wing could become dislodged from the aircraft was so serious that the Air Force decided to move forward with inspections for all planes that could potentially be impacted.
 
The 123 aircraft chosen to go through inspections have not been equipped with an extended service life center wing box and have flown more than 15,000 hours.
 
Maintainers will look for cracking, and, if discovered, will replace the rainbow fitting. That repair takes approximately one to two months to do and is dependent on depot level availability and capacity, Simmons noted in an email. Currently, AMC believes it has an adequate supply of rainbow fittings and is not concerned about a potential shortfall.
 
If no defects are found, the aircraft will return to service. So far, eight aircraft have gone through inspections and are now able to fly, Simmons said.
 
Each inspection is set to take eight hours, but the command does not know how long it will take to move all 123 aircraft through the inspection and repair process.
 
The Air Force takes the safety of its airmen and aircraft very seriously and is working diligently to identify and repair affected aircraft as soon as possible, AMC said in its statement.
 
This story is developing. Stay tuned for updates.
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https://www.defensen...cracking-found/
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#2 rmgill

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Posted 09 August 2019 - 1411 PM

https://i1.rgstatic....argepreview.png


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#3 Burncycle360

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Posted 09 August 2019 - 1753 PM

I know wing spar failures are very rare, but ever since seeing that firefighting C-130 go down I always get wigged out thinking about it


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#4 shep854

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Posted 09 August 2019 - 1831 PM

Old, hard-used aircraft.  Lockheed may be getting some new orders...


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#5 Panzermann

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Posted 10 August 2019 - 1106 AM

Old, hard-used aircraft.  Lockheed may be getting some new orders...

 

One advantage of the really old-fashioned riveting is, that you can replace nearly every part on the aeroplane. So some big overhauls seem in order.


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#6 rmgill

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Posted 10 August 2019 - 1908 PM

When I was working at Lockmart in '95, they had wings in the building that were being crated up to be sent to Italy for Italian C-130s.
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