What was found
SHORTLY AFTER LEVEL OFF AT FL320, REV'D EFIS COMP MON CAUTION FOR IAS. C/W QRH. AT FL320, CA SIDE INDICATED 270, FO'S SIDE INDICATED 282. AT FL300, CA SIDE INDICATED 240. FO'S SIDE INDICATED 295 KIAS. FO AND STANDBY WERE MATCHED WITH EACH OTHER. IAW QRH, SELECTED CA SIDE SELECTOR VALVE CLOSED. MESSAGE REMAINED. SELECTED VALVE BACK TO OPEN. ALSO SELECTED ADC TO 2 PER QRH. *****AIRCRAFT REMOVED FROM SERVICE******** C/W AWA AMM SUPP 17-077D (PITOT STATIC TEST EQUIPMENT REMOVED AND MACH TRANSDUCER VERIFIED OPEN). MOISTURE REMOVED FROM #1 PITOT STATIC SYSTEM AND PERFORMED OPS PITOT STATIC TEST IAW AMM 34-11-00. CA AIRSPEED WITHIN LIMITS.