FLC OF LEAR 35A ON APCH AND CLRED FOR VISUAL TO CONTACT TWR ON TURNING FINAL. THEY EXPERIENCE A SPOILERON FAILURE AND BINDING OF THE AILERON CTLS. ACCOMPLISHING CHKLIST ITEMS THEY NEGLECT TO SWITCH TO TWR FREQ AND LAND WITHOUT CLRNC.

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ON FEB/FRI/98; I WAS THE PIC OF A LEAR 35/A AND WAS ON APCH TO CHICAGO'S MIDWAY FIELD; RWY 4R. I WAS TOLD TO WAIT AND CONTACT TWR UPON TURNING FINAL AND CLRED FOR THE VISUAL APCH. BEFORE REACHING FINAL I EXPERIENCED A SPOILERON FAILURE; AND A BINDING IN THE CTLS FOR THE AILERONS. THE COPLT AND MYSELF BEGAN TO FOLLOW THE CHKLIST AND ABNORMAL PROCS CHKLIST TO CORRECT THE PROB. IN THE PROCESS OF CORRECTING THE PROB THE SIC FAILED TO SWITCH OVER THE XMITTER AND CONTACT TWR. HE ACCIDENTALLY BROADCASTED ON COMPANY RADIO AND RECEIVED A RESPONSE. WE BOTH HEARD THE RESPONSE AND FELT WE WERE CLRED TO LAND. NOT UNTIL AFTER TOUCHDOWN DID I NOTICE THE MISTAKE AND CONTACT TWR. I FEEL THE LONG HRS AND REPETITION OF FLYING IN AND OUT OF MIDWAY ALL NIGHT ADDED TO THIS PROB. AS PIC I CLAIM THE ULTIMATE RESPONSIBILITY FOR THE ACFT AND CREW. I DO FEEL THE WORKLOAD AND CONCENTRATION OF LAST MIN HDOFS BY CTLRS IN THIS AREA HAS LED TO PROBS LIKE THIS; AND THE POSSIBILITY OF MORE SERIOUS ONES IN THE FUTURE. WE CONSTANTLY FEEL RUSHED AND PUSHED INTO DANGEROUS SITS LIKE THE FOREMENTIONED AND WOULD DO ANYTHING TO SEE THE CURRENT SIT CORRECTED.