As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CLIMBING FROM FL 360 TO FL 370 AUTO PRESSURE SPINED CABIN ALTITUDE TO 8300, CABIN AP TO 8:0 CABIN RATE -2500 FT THEN + 800 FT THEN CABIN ALT AP RATE WERE FLUCTUATING TALL. MANUAL MODE SELECTED. R & R AUTO PRESSURIZATION DIGITAL CONTROLLER IAW AMM 21-31-01. OPS CHECKED GOOD IAW AMM 21-31-00.