As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CREW REPORTED SLOW DEPRESSURIZATION AT FL 210 AND RECEIVED CABIN PRESS WARNING LIGHT. CREW DID MEMORY ITEMS AND IMMEDIATELY REQUESTED DECENT TO 10,000 FT. AN EMERGENCY WAS NOT DECLARED SO CREW CONTINUED ON, WHERE THEY LANDED WITHOUT INCIDENT. ACFT OPS CHECK GOOD IAW AMM.