As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
COS INFLIGHT T1009/20OCT - EXTENDED LANDING GEAR ON FINAL. ATTEMPTED TO ARM AUTO BRAKES NUMBER TWO. ANTI-SKID LIGHT ILLUMINATED ON LEFT OUTBOARD AND RIGHT INBOARD. ALSO, LANDING WHEEL NOT TURNING INDICATION. LANDED COS WITHOUT INCIDENT. BOTH LEFT OUTBOARD AND RIGHT INBOARD TRANSDUCERS BAD. REPLACED ANTI-SKID CONTROL BOX. SYSTEM GROUND CHECKED NORMAL OPERATION.