Flown malfunction checklist page carried to the moon during the Apollo 17 mission, 8 x 10.5, vertically signed and flight-certified in black ballpoint, “Flown to the moon on Apollo XVII, Gene Cernan, CDR.” The double-sided page, dated August 7, 1972, consists of pages 10-3 and 10-4 with tabs marked “1 Thru 1a” and “1a (cont) Thru 4).” The pages offer sections for symptom, procedure, and remarks related to problems with the Environmental Control System, namely with “O2 Flow Hi,” “O2 Flow Low,” “Surge Tank Press High,” and “Cabin Press High or Increasing.” In fine condition.
