ACR FLC EXPERIENCED A PRESSURIZATION PROB AFTER TKOF. WHILE SELECTING THE STANDBY SYS; THE FO CLBED THROUGH ASSIGNED ALT. ALTDEV ALT OVERSHOT.
Synopsis
ACR FLC EXPERIENCED A PRESSURIZATION PROB AFTER TKOF. WHILE SELECTING THE STANDBY SYS; THE FO CLBED THROUGH ASSIGNED ALT. ALTDEV ALT OVERSHOT.
Narrative
THE ALT BUST WAS VERY TYPICAL OF SO MANY OTHERS THAT I HAVE READ ABOUT. THE PROB ACTUALLY BEGAN PRIOR TO TKOF. WE HAD TO ABORT THE TKOF OUT OF ORD DUE TO A TKOF WARNING HORN. I AM FAIRLY NEW TO THE ACFT; SO I WAS NOT SURE IF THIS ABORT WAS CONSIDERED 'TYPICAL' OR NOT. I ASKED THE CAPT IF WE SHOULD TALK WITH MAINT ABOUT THE ABORT (IT WAS DUE TO A CIRCUIT BREAKER THAT POPPED; AS WE WERE TAKING THE RWY); AND HE RESPONDED WE DIDN'T HAVE TO CONSULT WITH ANYONE. ANYWAY; WE RESET THE CIRCUIT BREAKER AND RETURNED TO THE ACTIVE RWY FOR OUR SECOND ATTEMPT; WHICH WAS UNEVENTFUL UNTIL APPROX 1500 FT AGL. AT THIS POINT; WE GOT A WARNING LIGHT THAT INDICATED OUR PRESSURIZATION SYS WAS MALFUNCTIONING. I LOOKED UP TO SEE WHAT THE PROB WAS (AND INDEED; WE WERE NOT PRESSURIZING); AND SUGGESTED TO GO TO THE STANDBY MODE FOR THE PRESSURIZATION CTLR. I LOOKED BACK AT THE INSTS AND SAW WE WERE RAPIDLY CLBING OUT OF 5300 FT (WE WERE ONLY CLRED TO 5000 FT). AS THIS HAPPENED; THE CTLR (DEP) CALLED US AND ASKED ABOUT OUR ALT. I QUICKLY PULLED THE PWR BACK AND BEGAN A PUSHOVER TO TRY TO GET BACK DOWN TO OUR CLRED ALT. THE CTLR THEN CLRED US TO LEVEL AT 6000 FT; AND WE DID. I DON'T BELIEVE ANY LOSS OF SEPARATION OCCURRED. I BELIEVE; IN RETROSPECT; THE ALT BUST OCCURRED DUE TO MY LACK OF ATTN TO FLYING THE ACFT. I SHOULD HAVE TOLD THE CAPT; 'I HAVE THE ACFT AND THE RADIOS; IF YOU WILL CHK OUT THE WARNING LIGHT.' I ALSO BELIEVE A CONTRIBUTING FACTOR WAS THE LACK OF A CALLOUT (AT 4000 FT) FOR '1000 FT PRIOR;' AND THE LACK OF STANDARDIZATION IN THE COCKPIT.
Source: NASA Aviation Safety Reporting System (public domain). Reports are voluntary submissions and are not verified by NASA.