As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
HAVING ISSUE WITH HEAT PRESSURIZATION DIFF INCREASING, DESENDING EMERGENCY DECLARED / REMOVED AND REPLACED LH ACSC IAW CRJ 700 AMM 21-61-04-000/400-801-A01. PERFORMED IN-BITE TEST OF ACSC IAW CRJ 700 AMM 21-61-04-740-801-A01. TEST PASSED. PERFORMED OPERATIONAL CHECK OF TEMPERATURE CONTROL SYSTEM IAW CRJ 700 AMM 21-60-00-710-801-A01. NO DEFECTS NOTED AT THIS TIME. PERFORMED PRESSURIZATION OF AIRCRAFT IAW CRJ 700 AMM 21-31-00-910-801-A01-PSA. NO DEFECTS NOTED AT THIS TIME.