Apollo 17 Flown LM Checklist Page

This Lunar Module Checklist Page was flown and used on the Lunar Surface during the Apollo 17 mission to the Moon

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With moderate smudges of Lunar Dust!

This page from the Apollo 17 LM Checklist flew to the lunar surface where it stayed for 3 days inside the Lunar Module, Challenger.

This particualar page was used by the Apollo 17 crew about 30 minutes after they had completed EVA 1, climbed up the ladder and closed the hatch. Using the checklist at this stage resulted in this page becoming moderately smudged with lunar dust.

The instructions on the 2 sides refer to items including: Disconnecting and Stowing the PLSS (Portable Life Support System) and changing its batteries and LiOH canisters, stowing Moon rock samples, weighing Moon rock samples, stowing Core Tube sample, taking off suits, dumping urine from the collection device

Measures 8" x 5.5"

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Here is the Apollo 17 voice transcript which mention the point in the mission when this page was used:

[Long Comm Break. The following exchanges were recorded during a change-of-shift press briefing and times are not available from the Public Affairs tape. During this period, they are changing PLSS batteries and LiOH canisters. The used items are placed in the jettison bag for disposal at the start of the next EVA. They are now on Surface 3-3.]

124:58:01 Cernan: Joe, we're changing a (LiOH) cartridge out in my PLSS. We've got the (PLSS) battery changed.

124:5x:xx Allen: Okay, Geno; thank you. [The lithium hydroxide canister is a 6-inch diameter cylinder which lies horizontally across the two-foot width of the PLSS. The crew has removed the fabric thermal-covering from the PLSS in order to remove the used can and install a new one. The primary purpose of the LiOH can is the removal of carbon dioxide.]

124:5x:xx Cernan: (To Allen) You don't have a cold something or other, do you? [That is, a cold beer.]

124:5x:xx Allen: I'm sorry you even mentioned it.

124:5x:xx Cernan: We can think about it, can't we?

124:5x:xx Allen: Mercy, yes.

124:5x:xx Cernan: Hey. Does Captain America (meaning Ron Evans) know all about this?

124:5x:xx Allen: (Making a mis-identification) Roger, Jack. He does. He's been fully advised, and his response is (that) he's sound asleep, now.

124:5x:xx Cernan: Yeah. I forgot. He was going to bed before we did today.

124:5x:xx Schmitt: Did he have a good day up there?

124:5x:xx Allen: He surely did. Fine day. And I want to make the observation as a casual bystander: it was a real pleasure to watch your EVA unfold down here.

124:59:55 Cernan: Thank you, Joe. I think you are more than a casual bystander though. [Long Comm Break. Now they are changing batteries and the canister on Jack's PLSS.]

125:07:23 Cernan: Hey, Joe. We've got 1 and 3 - or, correction - 1's replacing the 3's and 2's replacing the 4's on the PLSS.

125:07:30 Allen: We copy. [Comm Break]

125:xx:xx Schmitt: Joe, we're in the right-hand column of page 3-3 now.

125:xx:xx Allen: Roger. [Comm Break. They have finished with Jack's PLSS and are now weighing and stowing samples.]

125:15:24 Schmitt: Joe, collection bag (SCB) 2 is 16 (pounds)

125:15:29 Allen: Thank you. (Long Pause)

125:15:50 Cernan: And the SRC is 32 pounds.

125:15:56 Allen: Copy; 32 pounds. [Comm Break. The crew has a small spring scale which gives them terrestrial weights. That is, on Earth, a two-pound (Earth-weight) rock would register twelve pounds on the scale while, on the Moon, it would register two pounds. The actual weight of rocks collected during this EVA is given in the Mission Report as 31 pounds (14 kg). The 48-pound (21.8 kg) total given here includes the weights of the individual sample bags, the two 1.7 pound (0.8 kg) SCBs, and the 14.7 pound (6.7 kg) SRC. Weights are measured so that the flight engineers can adjust the stowage for center-of-mass control, if necessary.]

125:17:03 Cernan: Okay, Joe. The Heater is On for the (urine) dump.

125:17:09 Allen: Okay. [Long Comm Break. They are heating the urine line so that, when they empty the urine out of the bladders in their suits, it won't freeze before reaching the sump in the descent stage.]

125:21:51 Cernan: Okay, Joe. The circuit breakers are verified. On both (panels) 11 and 16, with the exception of the (urine) line heater.

125:22:09 Allen: Okay, copy that. Thank you very much. [Comm Break. They have finished the last of the tasks on Surface 3-3.]

125:24:06 Schmitt: Okay, Houston, we're going to turn the Biomed, Off.

125:24:12 Allen: Okay. [Very Long Comm Break. They have completed the urine dump and are getting Gene out of his suit. After they get his suit off, he will clean the hose connections and the neck and wrist rings, and lubricate the zippers. Then they will lay the suit on the ascent engine cover, cover the legs with a jettison bag to keep the dust down, and attach the LM oxygen hose to dry the suit out.] MP3 Audio Clip ( 20 min 28 sec )

125:46:44 Schmitt: Houston, Challenger. We'll both be off the air briefly here as we swing into getting our suits and LCGs (Liquid Cooled Garments) off. The Commander presently has his suit off, and I'll start on mine.

125:47:00 Allen: Roger, Jack. [Very Long Comm Break.]

126:09:43 Cernan: Hello, Joe; you there?

126:09:48 Allen: Waiting patiently.

126:09:54 Cernan: Okay, if you're keeping score, on the bottom of (page) 3-4, we're both out of our suits. And does that feel good.

126:10:02 Allen: Roger, Gene. Thank you.

126:10:07 Cernan: Okay, I'm out of my LCG, if you want to turn the page (to 3-5).

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