Jim Lovell (CDR)

Okay, Houston. The center panel—I'm looking at the RCS indicator A. We have a package temperature of about 180. Our helium pressure is 3900. I'm looking at fuel pressure of about 180 and percentage of about, I'd say 85 percent. B is about the same, except that that package pressure is 190. On quad C, we're looking about the same, except that the package temperature is 100. On quad D, we're looking at package temperature of 160. All other indications are about the same. CM pressure—RCS pressure is looking nominal. Helium pressure's up around 4000. And package temperature is about—a little less than 80 on ring 1 and about the same on ring 2.

Jim Lovell (CDR)

And the—talkbacks on the SM RCS, I've got HELIUM 1 now are all gray. HELIUM 2 are all gray. PRIMARY PROPELLANT all gray. SECONDARY PROPELLANT, I've got two barber pole, and A is barber pole, B gray, C barber pole, and D gray. Okay. On the ECS RADIATORS, barber pole is gray. On the—On the ECS, PRIMARY INDICATOR.

Fred Haise (LMP)

Okay, Jack. Starting at the top. Okay. The CRYO TANKS; H2 1 is reading 230 and the same for 2. Our O2 CRYO TANK 1 is—looks like it's barely holding its own at 300. And, CRYO TANK 2 is reading zip. Our quantities: H2 1 is reading 73, 2, 74. On the O2 side, we're reading O2 1 at quantity, 76; O2 pegged to full scale high. RAD TEMPs PRIMARY INLET, we're reading about 55; RAD OUT is reading about 30, and the SECONDARY OUTLET is reading—reading 52 degrees. And the EVAP OUT TEMP is 45, STEAM PRESSURE 0.17, and GLYCOL DISCHARGE 48. SUIT COMPRESSOR is reading zip. The ACCUM is reading 30; H2O WASTE is reading about 34; POTABLE's reading about 98; SECONDARY RAD INLET is reading about 71; and the RAD OUT is about 30; GLYCOL EVAP TEMP is reading 65, STEAM PRESSURE pegged full scale high; DISCHARGE PRESSURE 9 psi.

Jack Lousma (CAPCOM)

Excuse me, Fred; I'd like to butt in here a minute. We'd like to have THRUSTER C-1 off.

Jack Lousma (CAPCOM)

— my last copy is SECONDARY RAD IN.

Fred Haise (LMP)

Okay. Your SECONDARY RAD IN, I gave to you 70—about 72 degrees; the RAD OUT is about 30; the GLYCOL EVAP TEMP is reading about 65; STEAM PRESSURE full scale high, GLYCOL DISCHARGE PRESSURE about 9 psi. The ACCUM—SECONDARY ACCUMULATOR is about 30—34 percent. Our temperatures: SUITS showing about 52 degrees; CABIN about 58 degrees; pressures, SUIT reading 4.1, CABIN at 5. PARTIAL PRESSURE CO2 is up to little over 1, about 1.1. On the SPS side of the house, the temperature is 72 degrees, helium's reading 3500; N2 A is reading 2300; N2 B about 2450. And our ullage pressures: FUEL is reading about 165; OXIDIZER 170. Fuel cells: FUEL CELL 1, both CLOSED, they're zip; SKIN TEMP 405 degrees; CONDENSE EXHAUST is lower scale. FUEL CELL 2—right now we've got an O2 or an H2 FLOW reading of 0.13 to 0.14, and the O2 FLOW is right now pegged full scale high although it has been varying depending on thruster activity which has also given us MAIN BUS A under volts from a steady reading of about 1.1 up to full scale high. The TSKIN is about 445 and the CONDENSOR EXHAUST 17, correction, 180. Let's see if you want it on the DC indicator: FUEL CELL 1 is 0 amps; 2 is reading somewhere between 44 and about—oscillating 44 to 48 again depending on thruster activity.

Fred Haise (LMP)

— is 0 amps. Say again, Jack.

Fred Haise (LMP)

Hello, Houston; Apollo 13. How do you read?

Jack Lousma (CAPCOM)

Okay, 13. This is Houston. It appears to us that we're losing O2 flow through fuel cell 3. So, we want you to close the REAC valve on fuel cell 3. It looks like fuel cell 1 and 2 are trying to hold up okay. You copy?

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Spoken on April 14, 1970, 4:10 a.m. UTC (44 years, 5 months ago). Link to this transcript range is: Tweet

Fred Haise (LMP)

Are you saying fuel cell 1 and 2—1 and 2 are trying to hold up but we're leaking O2 out of fuel cell 3? And you want me to shut the REAC valve on fuel cell 3? Did I hear you right?

Jack Lousma (CAPCOM)

That's affirmative. Close the REAC valve on fuel cell 3.

Fred Haise (LMP)

Okay. I'll go to the SSR page. Do you want me to go through that whole smash for fuel cell shutdown? Is that correct?

Jack Lousma (CAPCOM)

Okay, 13. We want you to turn the inline heaters off on fuel cell 1. Then we want you to go through the fuel cell shutdown procedure on fuel cell 3. Read back.

Jack Swigert (CMP)

Okay. Shut down the inline heater on fuel cell 1. We're proceeding with the shutdown, special subroutine, for fuel cell 3.

Jack Lousma (CAPCOM)

Okay. You got OMNI Bravo and we'd like to have you verify that the tape recorder is off please.

Jack Swigert (CMP)

That's verified. Okay, Jack. I'm sitting here with an 0618 showing and I can't get rid of it. Oh, stand by just a —

Jim Lovell (CDR)

Okay. Fuel cell 3 REACs off, Houston.

Jack Swigert (CMP)

Okay, Jack. Step 2, special subroutine 1 for the fuel cell procedure, has been completed.

Jack Swigert (CMP)

Okay. Jack. I'd like to bring on jet A-4. I've got null on negative pitch control, and—negative pitch control, and right now neither DIRECT or AUTO coils.

Jack Lousma (CAPCOM)

Okay. You say no pitch in either DIRECT or AUTO? You want to bring on A-4?

Jack Swigert (CMP)

Yes. I've got a positive pitch rate and I can't stop it.

Jack Lousma (CAPCOM)

Okay, Jack. Bring A-4 on; stop the pitch rate.

Jack Lousma (CAPCOM)

And, 13, we need OMNI Charlie, please.

Jack Lousma (CAPCOM)

And, Fred, we would like to have you verify fuel cell reactants talkback is barber pole.

Fred Haise (LMP)

That's affirm. I watched it and it went barber pole as I threw the switch.

Jack Swigert (CMP)

Okay. Jack. Let me give you a thruster configuration right now. Able 1, Charlie 1, Able 2 are off. Charlie 2, MAIN A, all the thrusters that I call that are on are on MAIN A. Baker 1 off. Dog 1 on, Baker 2 off, Dog 2 on. Able 3, Charlie 3, Able 4, Charlie 4 on. Baker 3 off, Dog 3 on, Baker 4 off, Dog 4 on.

Jack Lousma (CAPCOM)

Okay, Jack. That thruster configuration looks okay.

Jack Swigert (CMP)

All right. Okay. Do you want some readings from the systems test meter regarding fuel cells?

Jack Lousma (CAPCOM)

Stand by 1 on that, Jack. Let me ask the EECOM.

Jack Swigert (CMP)

We've got some incompatibilities here.

Jack Lousma (CAPCOM)

Okay, 13. We'd like to have you give us those systems test readings on fuel cell 1 and 3, please.

Jim Lovell (CDR)

Okay. 1 and 3 coming up.

Fred Haise (LMP)

Okay. Jack, 1-A is reading, lower scale, 0; 1-B is reading. 3.45. Okay. You only want fuel cells 1 and 3. Okay. Ignore that 1-B reading. 1-C is reading 3.4. Now, 1-D is reading 2.4. 2-D is reading 0.25.

Jack Lousma (CAPCOM)

Roger, Is that 2 Bravo, Fred?