As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CLE - FLT 772 - DURING CRUISE AT FL38, AIRCRAFT REPRESSURIZATION FLOW LIGHT ILLUMINATED. AIRCRAFT AIR INTERRUPTED AND LANDED CLE WITHOUT FURTHER INCIDENT. MAINTENANCE PERFORMED CABIN PRESSURE CONTROL BITE TEST WITH NO FAULT. DUCT WORK WAS INSPECTED WITH NO SIGNS OF LEAKS. UNABLE TO DUPLICATE FAULT. SYSTEM GROUND CHECKED NORMAL OPERATION. (M)