AN A320 CABIN ATTENDANT RPTS FINDING DOOR BOTTLE PRESSURE INDICATIONS BELOW LIMITS.

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THE DOOR PRESSURE GAUGES AT DOORS 1R AND 2R WERE BELOW MINIMUMS. 1R WAS AT 750 PSI AND DOOR 2R WAS AT 1100 PSI. THEY SHOULD HAVE BEEN AT 1750 PSI OR SO. THE DOOR PRESSURE GAUGES ARE NOT A FLT ATTENDANT PREFLT CHK. I CHK BECAUSE THIS IS HAPPENING OFTEN. I CALLED FOR A MECHANIC AND ASKED IF THEY CHK THEM AND THEY SAID NO. WHO DOES AND WHEN? THIS IS VERY ALARMING TO ME. IF THERE WAS AN EMER; WE WOULD HAVE HAD TO REDIRECT ON THE R SIDE FORWARD AND AFT. COULD HAVE BEEN CRUCIAL TIME WASTED. CALLBACK CONVERSATION WITH RPTR REVEALED THE FOLLOWING INFO: RPTR STATED THAT IN MOST CASES WHEN RPTING A LOW DOOR BOTTLE PRESSURE THAT NEEDS SERVICING; SHE RECEIVES CRITICISM FOR DELAYING THE FLT MAINLY FROM THE FLT CREW. SHE WAS TOLD THAT A CABIN ATTENDANT IS NOT TO CHK DOOR BOTTLE PRESSURE AS IT IS NOT PART OF THE PREFLT CHK. RPTR FEELS THAT THIS IS A SAFETY OF FLT ITEM AND NEEDS TO BE 100% OPERATIONAL. BOTTLE PRESSURES ARE CHKED AT 45 HOUR INTERVALS AND AFTER COLD SOAKING IN A LONG FLT; THE BOTTLE PRESSURE NORMALLY DROPS; BUT MUST REMAIN WITHIN LIMITS.