ACR MLG OVERSHOT ALT ON DEP AND THEN EXCEEDED SPEED LIMIT ON ARR DESCENT.

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AFTER DEP ATL I WAS PUT ON A 360 DEG HDG AND TOLD TO CLB TO 14000' BY ATL DEP CTL. THE AURAL WARNING OF THE ALT ALERTER WENT OFF AT 14300' AND I ABRUPTLY LEVELED OFF AT 14500' AND THEN DSNDED TO 14000'. AT THAT TIME DEP HANDED US OFF TO ATL CENTER WHO IMMEDIATELY CLRED US TO FL230. WHEN THE ACFT WAS NEARING 14000'; THE CAPT WAS COMPLAINING BITTERLY TO THE F/O ABOUT A DISAGREEMENT HE'D HAD WITH MAINT RE: THE ACFT'S PROB AND STATUS. THE DISAGREEMENT HAD TO BE ENDED TO PUSH BACK THE ACFT ON SCHEDULE. WHILE DSNDING 30 MI S OF WILMINGTON; OH; FOR LNDG AT CLINTON COUNTY ARPT; THE ACFT CROSSED 10000' AT APPROX 330 KTS INDICATED AIRSPD. THE EXCESSIVE AIRSPD WAS BROUGHT TO THE FLYING CAPT'S ATTN BY A MOTION OF THE NON FLYING F/O. I LEVELED OFF THE ACFT ABRUPTLY AT 9100' AND DECELERATED TO 250 KTS INDICATED AIRSPD BEFORE CONTINUING THE DSCNT. WHILE XING 10000' THE CAPT WAS ONCE AGAIN COMPLAINING ABOUT HIS EARLIER DISAGREEMENT WITH MAINT PEOPLE. CONTRIBUTORS; CAUSE; PREVENTION: 45 MINS PRIOR TO DEPARTING ATL; THE CAPT HAD A DISAGREEMENT WITH MAINT PERSONNEL RE: BROKEN ITEMS ON THE ACFT AND THE ACFT'S CATEGORY II STATUS. THE DISAGREEMENT LASTED UNTIL PUSHBACK AND THE CAPT NEVER DISCARDED IT FROM HIS MIND AND PUT HIS MIND TO THE TASK OF FLYING. HE WAS PREOCCUPIED BY THIS ARGUMENT AND WAS TALKING ABOUT IT WHEN BOTH THE ALT EXCURSION AND THE OVERSPD OCCURRED. THE DISAGREEMENT WAS WITH CONTRACTORS; NOT EMPLOYEES OF THE CARRIER. WHEN THE CARRIER'S MAINT PEOPLE DEALT WITH THE CAPT; UNDERSTANDING AND AGREEMENT WAS REACHED BY ALL INVOLVED; LARGELY BECAUSE THEY KNEW AND UNDERSTOOD THE CARRIER'S MANUALS; PRACTICES AND PROCS. THE CONTRACTOR IS NOT FAMILIAR WITH ANY OF THESE. THE CAUSE WAS THE FLYING CAPT'S FAILURE TO CONCENTRATE ON THE TASK AT HAND AND THE F/O'S FAILURE TO GIVE TIMELY WARNINGS OF THE UPCOMING ERRORS. A BIG CONTRIBUTOR WAS THE ARGUMENT PRIOR TO DEP. PREVENTION COULD BE TO DISALLOW CARRIERS FROM USING MAINT CONTRACTORS WHO ARE NOT FAMILIAR WITH THE CARRIER'S PROCS AND POLICIES. EDUCATION STRESSING THE DANGERS OF LETTING OUTSIDE EVENTS INFLUENCE A PLT'S CONCENTRATION; AS WELL AS EDUCATION STRESSING THE NEED TO MAINTAIN COCKPIT DISCIPLINE TO PREVENT THESE TYPES OF OCCURRENCES; COULD HELP PREVENT RECURRENCES.