As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AT FL 390, THE CONTROL YOKE HAD RELAXED WITH ABOUT 4 TO 5 INCHES OF FREE MOVEMENT IN THE PITCH AXIS. OUTSIDE TEMPERATURE WAS -59 DEGREES CELSIUS. NO EMER WAS DECLARED. THE FLIGHT CONTINUED & LANDED WITHOUT FURTHER INCIDENT. CONTROL RETURNED TO NORMAL AT LOWER ALTITUDE OF 10,000 FEET. ADJUSTED ELEVATOR CABLES EAL, EBL, EAR & EBR IAW AMM 27-31-00-820-801 & SL-27-249. OPERATIONALLY CHECKED GOOD. THE ACFT WAS GNDED.