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Bolts, bolts, everywhere...



 
 
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Old May 23rd 11, 10:20 PM posted to sci.space.policy
Pat Flannery
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Default Bolts, bolts, everywhere...

Little trouble trying to grease the gears on the ISS solar array motor:
http://spaceflightnow.com/shuttle/st...d7/index3.html
....bolts that were supposed to be attached to the covers weren't
attached to the covers and started floating way once removed.
Now here's the good part, from the mission status center:
http://spaceflightnow.com/shuttle/sts134/status.html

SUNDAY, MAY 22, 2011
21600 GMT (12:00 p.m. EDT)
In the mission status briefing today, lead spacewalk officer Allison
Bolinger said during the SARJ cover removals today that four of eight
fasteners came free as astronaut Mike Fincke worked to remove the first
two panels. He caught three of the escaping bolts and one was lost
overboard.
"Our plan was to release six covers, three pairs of covers," Bolinger
said. "We've had some history of issues with these bolts in the past but
we thought we had worked through it and we'd discussed all the different
training options in order to release these bolts successfully.
"But Mike started working on covers 16 and 17 and before we knew it, we
started having issues with bolts. So in the end, we ended up with cover
17, three of its four bolts that should be captive to the cover, those
bolts came uncaptive and Mike was able to stow those in his trash bag.
And then on cover 16, we lost one of those four bolts, and that one we
lost overboard."
He and fellow spacewalk Andrew Feustel applied as much Braycote grease
as possible to the underlying drive gear bearing race and three of the
four thermal cover were reinstalled without incident. Panel No. 17,
which lost three bolts, was brought back inside.

So...how to sum up everything, with a bolt still floating around in
space, the gears only partially greased, and one of the protective
covers not back in place?

_"Overall, a very, very successful day," said station Flight Director
Derek Hassmann. "I'm very proud of the teams on the ground as well as
the crew on orbit."_

Yeah...this reminds me of some of our local car mechanics approach to
things.
"The car still runs like it did when you brought it in, so everything's
fine...by the way, here's one of your hubcaps; you should put that back
on one of these days." :-D

Pat


 




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