What was found
OXYGEN LEAKED TO ZERO AFTER T/O. 145-0 10 MIN SOUND WAS BELOW C OCKPIT UPDATED MAA CODE FIX USING VENDOR MAA SCREEN UPDATED MAA CODE FIX USING VENDOR MAA SCREEN MAC METER INITIATED FOR WITH VENDOR ID V944262 PLEASE CONTACT TOMC BEFORE COMMENCING ANY WORK. EVALUATE AND PLEASE CONTACT TOMC BEFORE COMMENCING ANY WORK. EVALUATE AND MAC RELATED WORK ORDER 000000003071452 AND PRTR CONTACT TOMC CONTACT TOMC REPLACED O2 BOTTLE IAW AMM 12-15-21-600-801 , INSPECTED ALL MASKS AND ACCESSIBLE FITTINGS INCLUDING MASK BOX CONNECTION FOR LEAKS, FOUND MINOR LEAK AT CAPTS MASK, UNPLUGGED AND REINSTALLED CAPT MASK AND NO LEAKS. SUSPECT LEAK WAS FROM OBSERVERS MASK BUT NO SIGNIFICANT LEAKS SINCE REPLACING BOTTLE. REPLACED O2 BOTTLE IAW AMM 12-15-21-600-801 , INSPECTED ALL NO SIGNIFICANT LEAKS SINCE REPLACING BOTTLE. MASKS AND ACCESSIBLE FITTINGS INCLUDING MASK BOX CONNECTION FOR ROTABLE PARTS CHANGE WAS INDICATED - TT # 1152241 SN OFF 0713 LEAKS, FOUND MINOR LEAK AT CAPTS MASK, UNPLUGGED AND REINSTALLED CAPT MASK AND NO LEAKS. SUSPECT LEAK WAS FROM OBSERVERS MASK BUT ADD EMP:V944262 BOTTLE, OXY, CR OFF 64-3511-9-0001 0713 ON 64-3511-9-0001 1481