FLAP CTL PROB RESULTS IN ABNORMAL FLAP SETTING FOR LNDG WHICH RESULTS IN ABNORMAL HANDLING CHARACTERISTICS ON ROLLOUT RESULTING IN TAILSKID STRIKE.

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FLT X ORIGINATED IN TPA. ON THE INITIAL FLAP EXTENSION FOR TKOF THE INBOARD TRAILING EDGE FLAPS CAME OUT VERY SLOWLY RESULTING IN ASYMMETRICAL FLAPS. WE CYCLED THE FLAP HANDLE AND THE FLAPS EXTENDED NORMALLY. ON APCH INTO DTW WHEN FLAPS 5 DEGS WAS SELECTED THE INBOARD TRAILING EDGE FLAPS STOPPED AT ABOUT 3 DEGS FOLLOWING THE ABNORMAL PROCS. WE WERE ABLE TO LOWER THEM TO 5 DEGS BUT THAT WAS ALL. WE LANDED WITH 5 DEGS OUTBOARD AND 30 DEGS INBOARD FLAPS. ON ROLLOUT THE NOSE ROSE ABRUPTLY RESULTING IN THE TAIL SKID MAKING MINOR CONTACT WITH THE RWY. UPON REFLECTING ON THE INCIDENT; IT'S APPARENT WE MIGHT HAVE AVOIDED THE PROB HAD WE TAKEN THE TIME TO HAVE MAINT LOOK AT THE FLAPS IN TPA. IN TRYING TO ANALYZE WHY I MADE THE DECISION TO GO WITHOUT HAVING THE FLAPS LOOKED AT; I THINK IT'S BECAUSE I BELIEVED THERE WAS NO PROB WITH THE FLAPS IN TPA. ONCE THE FLAPS EXTENDED NORMALLY I DISMISSED THE PROB AS A 'THEY WILL DO THAT SOMETIMES' TYPE OF THING. HAD I TAKEN THE TIME TO MORE CLOSELY THINK ABOUT THE SYS AND WHAT HAD HAPPENED I WOULD HAVE CONCLUDED SOMETHING WAS WRONG. I DID NOT TAKE THE TIME BECAUSE WE WERE BUSY TRYING TO GET A FULL FLT OUT ON TIME. GOING THROUGH THE BUSY PROCESS OF ENG START; PUSHBACK AND PRE TKOF CHKS CAUSED ME TO DISMISS THIS 'MINOR GLITCH.' I AM A NEW CAPT AND I JUST LEARNED THAT NOTHING IS A MINOR PROB UNTIL IT CAN BE EXPLAINED.