What was found
(CAN) WHILE CRUISING AT ALT.3700,CABIN ALT. WARNING MESSAGE,MASK DROPPED, CABIN ALT MOMENTARILY WENT 23000 FT THEN BACK TO 6400 FT NORMAL READING ON CABIN ALT AND CABIN PRESSURE.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
(CAN) WHILE CRUISING AT ALT.3700,CABIN ALT. WARNING MESSAGE,MASK DROPPED, CABIN ALT MOMENTARILY WENT 23000 FT THEN BACK TO 6400 FT NORMAL READING ON CABIN ALT AND CABIN PRESSURE.