As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT NR 263 - ATL - CABIN PRESSURIZATION STARTED TO INCREASE AT 1K FEET PER MINUTE. FLT DIVERTED TO ATL DUE TO HIGH FUEL CONSUMPTION AT LOWER FLIGHT LEVEL THAT THE A/C WAS REQUIRED TO FLY AT. NO EMERGENCY WAS DECLARED AND THE OXYGEN MASKS WERE NOT DEPLOYED. (M)