As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SAN - FLT 3210 - AFTER ARMING THE APR SYSTEM ON TAKEOFF ROLL, THE LEFT APR LIGHT DID NOT ILLUMINATE. PUT ON MEL AT THIS TIME. MAINTENANCE COULD NOT DUPLICATE DISCREPANCY. RELAY 43KA WAS REPLACED AS A PRECAUTION. OPS CHECK OF APR SYSTEM WAS GOOD AND AIRCRAFT WAS RETURNED TO SERVICE. (M)