English subtitles for clip: File:Apollo13-wehaveaproblem.ogg

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Okay, Houston, we've had a problem here.

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This is Houston. Say again, please.

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Houston, we've had a problem.

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We've had a MAIN B BUS UNDERVOLT.

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Roger. MAIN B UNDERVOLT.

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Okay, stand by, 13. We're looking at it.

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Okay. Right now, Houston, the voltage is—

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is looking good.

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And we had a pretty large bang associated
with the CAUTION AND WARNING there.

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And as I recall,
MAIN B was the one that had

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had an amp spike on it once before.

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Roger, Fred.

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In the interim here, we're starting to go
ahead and button up the tunnel again.

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Roger.

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Yes. That jolt must have rocked

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the sensor on—see now—O2 QUANTITY 2.

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It—was oscillating down
around 20 to 60 percent.

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Now it's fullscale high again.

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Roger.

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And, Houston, we had
a RESTART on our computer

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and we had a PGNCS light
and the RESTART RESET.

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Roger. RESTART and a PGNCS light.
RESET on a PGNCS, RESET —

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Okay. And we're looking at our S—
SERVICE MODULE RCS HELIUM 1.

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We have—B is barber poled
and D is barber poled,

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HELIUM 2, D is barber pole,
and SECONDARY PROPELLANTS,

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I have A and C barber pole.
BMAG temperatures?

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Okay, AC 2 is showing zip.

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I'm going to try
to reconfigure on that, Jack.

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Roger.

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Yes. We got a MAIN BUS
A UNDERVOLT now, too, showing.

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MAIN A UNDERVOLT.

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It's reading about 25-1/2,
MAIN B is reading zip right now.

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Stand by 1, Jim.

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13, Houston.

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We'd like you
to attempt to reconnect

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fuel cell 1 to MAIN A
and fuel cell 3 to MAIN B.

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Verify that quad Delta is open.

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Okay, Houston. I'm showing—
I tried to reset

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and fuel cell 1 and 3
are both showing gray flags,

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but they are both
showing zip on the flows.

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We copy.

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13, Houston, we'd like you
to open circuit fuel cell 1.

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Leave 2 and 3 as is.

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Okay, I'll get to work on that.

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But it looks to me… I'm looking out the…
back, we are venting something.

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We are… we are venting
something out the… in the rear… into space

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Roger, we copy you're venting.

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It’s a gas of some sort.