As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON CLIMB WHEN REACHED 11,000 FT RECEIVED A CABIN ALT CAUTION AND THEN RECEIVED CABIN ALT WARN AROUND 10,500 ON THE DESCENT. EMERGENCY DECLARED. COMPLIED WITH MEL 21-24-61. OPC GOOD. OK FOR SERVICE. REMOVED AND REPLACED O/B COOL VALVE IAW AMM 21-24-34. OP/C GOOD. PLACARD REMOVED. VERIFIED PART EFFECTIVITY. CLEARS DM 54966.