Narrative:

Lost left central air data computer out of dfw, isolated system fault to that side and selector to both on 2. Accomplished emergency/abnormal procedures and pressed on to ewr. Notified by #1 flight attendant that passenger in xd or xe was vomiting a lot and said she had problems with gallstones. Passenger moved to rear of plane with a physician, attending and monitoring. Deviating for WX at FL330 lost right central air data computer. Declared an emergency at this time with ATC. Contacted dispatch and told them my problems and was electing to go to atl. Made announcement of medical emergency onboard over PA to passenger. Informed atl operations we were coming and our situation. It's gone from standby instruments to partial power on right central air data computer after trying left, both, and right central air data computer again. Reported souls onboard, fuel remaining and we would not be accepting speed reductions or turns for a raw data approach with atl approach facility. With no autoplt or autothrottles, I did ask for a block altitude of FL310-FL330, due moderate turbulence. My new york attendants handled this off-line stop and emergency magnificently. Passenger were only delayed 1 hour at atl and back on another plane to ewr. Kept my attendants in loop of situation and this made my job so much easier. A big thank you to them would go far as well as my dispatcher at desk XXX who coordinated this emergency so smoothly. Now, to the aircraft that wished me luck with my problems, thanks goes most to ZTL for making my emergency a non event when it got a little tight out there. Thanks again ZTL and approach.

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Original NASA ASRS Text

Title: MD80S ACFT HAD FAILURE OF #1 CENTRAL AIR DATA COMPUTER SO BOTH FLC SELECTED THE #2 CENTRAL AIR DATA COMPUTER. A SICK PAX, BEING ATTENDED BY A PHYSICIAN, ADDED TO THE FLC'S WORKLOAD. WHEN THE #2 CENTRAL AIR DATA COMPUTER FAILED AN EMER WAS DECLARED AND THE FLT DIVERTED.

Narrative: LOST L CENTRAL AIR DATA COMPUTER OUT OF DFW, ISOLATED SYS FAULT TO THAT SIDE AND SELECTOR TO BOTH ON 2. ACCOMPLISHED EMER/ABNORMAL PROCS AND PRESSED ON TO EWR. NOTIFIED BY #1 FLT ATTENDANT THAT PAX IN XD OR XE WAS VOMITING A LOT AND SAID SHE HAD PROBS WITH GALLSTONES. PAX MOVED TO REAR OF PLANE WITH A PHYSICIAN, ATTENDING AND MONITORING. DEVIATING FOR WX AT FL330 LOST R CENTRAL AIR DATA COMPUTER. DECLARED AN EMER AT THIS TIME WITH ATC. CONTACTED DISPATCH AND TOLD THEM MY PROBS AND WAS ELECTING TO GO TO ATL. MADE ANNOUNCEMENT OF MEDICAL EMER ONBOARD OVER PA TO PAX. INFORMED ATL OPS WE WERE COMING AND OUR SIT. IT'S GONE FROM STANDBY INSTS TO PARTIAL PWR ON R CENTRAL AIR DATA COMPUTER AFTER TRYING L, BOTH, AND R CENTRAL AIR DATA COMPUTER AGAIN. RPTED SOULS ONBOARD, FUEL REMAINING AND WE WOULD NOT BE ACCEPTING SPD REDUCTIONS OR TURNS FOR A RAW DATA APCH WITH ATL APCH FACILITY. WITH NO AUTOPLT OR AUTOTHROTTLES, I DID ASK FOR A BLOCK ALT OF FL310-FL330, DUE MODERATE TURB. MY NEW YORK ATTENDANTS HANDLED THIS OFF-LINE STOP AND EMER MAGNIFICENTLY. PAX WERE ONLY DELAYED 1 HR AT ATL AND BACK ON ANOTHER PLANE TO EWR. KEPT MY ATTENDANTS IN LOOP OF SIT AND THIS MADE MY JOB SO MUCH EASIER. A BIG THANK YOU TO THEM WOULD GO FAR AS WELL AS MY DISPATCHER AT DESK XXX WHO COORDINATED THIS EMER SO SMOOTHLY. NOW, TO THE ACFT THAT WISHED ME LUCK WITH MY PROBS, THANKS GOES MOST TO ZTL FOR MAKING MY EMER A NON EVENT WHEN IT GOT A LITTLE TIGHT OUT THERE. THANKS AGAIN ZTL AND APCH.

Data retrieved from NASA's ASRS site as of July 2007 and automatically converted to unabbreviated mixed upper/lowercase text. This report is for informational purposes with no guarantee of accuracy. See NASA's ASRS site for official report.