As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
A/C EXPERIENCED A PRESSURIZATION CONTROL PROBLEM AND DIVERTED INTO SAT, REF L/P 8429328. CABIN O-2 MASKS WERE DEPLOYED BY THE CREW FOR DELAY. DEPLOYED O-2 MASK GENERATORS REPLACED, OVERWEIGHT LANDING INSP C/W, LT PACK WHICH WAS ON MEL CORRECTED. RT PACK WAS OPS CHECKED OK.