As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CLE FLT 2760 THE CREW REPORTED DURING CLIMBOUT THE CABIN DIFFERENTIAL PRESSURE BEGAN TO FLUCTUATE ERRATICALLY BETWEEN 0 AND 9.0 PSI. CABIN PRESSURE AND CABIN RATE NORMAL. CONTINUED FLIGHT TO CLE WITH NO PRESSURE PROBLEMS. CABIN DIFFERENTIAL PRESSURE CHANGED BETWEEN DASHES AND 0 PSI FOR ENTIRE FLIGHT. MAINTENANCE INSPECTED AND REPLACED THE CABIN PRESSURE ACQUISITION MODULE.