CONFRONTED WITH A FLT CTL PROB; AN MD11 CREW FINDS THAT THE ONBOARD CHKLIST DOES NOT SUPPLY THE SOLUTION TO THEIR PROB; BUT THE VERSION READ BY GND PERSONNEL DOES. CURRENCY OF ONBOARD INFO IS QUESTIONED.
Synopsis
CONFRONTED WITH A FLT CTL PROB; AN MD11 CREW FINDS THAT THE ONBOARD CHKLIST DOES NOT SUPPLY THE SOLUTION TO THEIR PROB; BUT THE VERSION READ BY GND PERSONNEL DOES. CURRENCY OF ONBOARD INFO IS QUESTIONED.
Narrative
AS WE WERE CLBING OUT; THE CAPT CALLED FOR FLAPS UP. AS I RETRACTED THEM; WE OBSERVED A LEVEL 2 ALERT 'ALL DEFLECT DISAG.' THE CAPT CALLED FOR THE CHKLIST AS WE CONTINUED OUR CLB TO 9000 FT. READING THE CHKLIST; IT SAYS THAT A DIVERSION TO A SUITABLE ARPT WAS NECESSARY. THE PIC THEN CONTACTED THE COMPANY THROUGH VHF; AS I TOOK OVER THE ACFT AND RADIOS. WE LEVELED AT 13000 FT. SPD +/- 250 KTS. AFTER RECYCLING THE FLAPS; THE ALERT STILL WAS THERE. WE DECIDED TO RETURN TO CVG. OUR CHIEF PLT CAME ON HF AND READ US A DIFFERENT CHKLIST THAN THE ONE ONBOARD (MAINTAINED UP-TO-DATE BY THE AIRLINE PERSONNEL). WE WERE AT THIS POINT FOR ABOUT 35 MINS AT 13000 FT WITH SLATS EXTENDED; WHEN WE RETRACTED THE SLATS (WHICH OUR ONBOARD CHKLIST DIDN'T CONSIDER); AND THE ALERT WENT AWAY. OUR CHIEF PLT TOLD US TO PRESS ON; WE IMMEDIATELY INITIATED A CLB TO FL330. WE THEN CLBED TO FL350 AND LATER TO FL370 (AT WHICH POINT OUR FMS WAS CALCULATING AN ARR FUEL OF 19000 LBS). WE LANDED WITH 15700 LBS. I'D SUGGEST TO THE COMPANY THAT THEY SHOULD UPDATE THE ONBOARD CHKLISTS IN A TIMELY MANNER.
Source: NASA Aviation Safety Reporting System (public domain). Reports are voluntary submissions and are not verified by NASA.