Desirable flown Lunar Module Contingency Checklist page carried to the lunar surface aboard the Lunar Module Challenger during the Apollo 17 mission, 6 x 8, signed and flight-certified in bold black felt tip, "Flown to Taurus Littrow, Gene Cernan, Apollo XVII." The double-sided Flight Data File page, dated August 31, 1972, pages 3-1 and 3-2, lists a total of eight steps for the unstaged docked deactivation of the lunar moudule, with the reverse showing five panels indicating the proper open and closed sequence for initial unstaged deactivation. In very fine condition. Lunar module post-docking powerdown was to be performed according to procedures in the contingency checklist under 'Docked Deactivation Staged' with minor modifications. These procedures were implemented immediately after docking and, at the same time, all the rocks and the experiments that were being returned from the lunar surface were transferred to the command module.
Terms and abbreviations used in our descriptions.