As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT NOT GROUNDED: PILOT REPORTS CABIN UNSCHEDULED CLIMB FLASHING GREEN, CABIN PRESS 9500 AT FL300 AND 6.2 PSI. MANUAL CNTRL USED TO PRESS CABIN UNTIL LANDING. MAINTENANCE ACCOMPLISHED BITE TEST OF BOTH CABIN PRESSURE CONTROLLERS 1 AND 2. NO CURRENT OR PREVIOUS FAULTS NOTED. ACCOMPLISHED SYSTEM TEST OF CPC 1 AND 2 IAW AMM 21-31-00-710-052-B. ALL TESTS OK. ACCOMPLISHED AFS OPS TEST IAW AMM 22-96-00. TEST PASSED.