As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CABIN ALTITUDE WARNING HORN AND LIGHT CAME ON DURING FLIGHT @ FL 360. LEFT BLEED WAS SHOWING 12 PSI AND RIGHT BLEED WAS SHOWING 38 PSI. REMOVED AND REPLACED CONNECTOR D1208 IAW SWPM 20-61-11. PERFORMED ENGINE RUN IAW AMM 71-00-00. EGT SYSTEM OPS CHECKS GOOD IAW AMM 77-21-00. NO DEFECTS NOTED.