As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FREQUENT CAUTIONS FOR: RUD CTRL, ROLL SPOILER OTBD HYD, PITCH TRIM, ELEVATOR FEEL. NR 2 IAS + ALTITUDE FAILURES, *CUE* ON AIRSPEED INDICATIONS. RETURNED TO FIELD. LANDING UNEVENTFUL. C/W ADU NR 2 WIRING TESTS & REPLACEMENT OF ADU. RETURNED TO SERVICE.