As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING THE AFTER START CHECK, A MASTER CAUTION LIGHT ACTIVATED, WITH A CAPTAIN PITOT LIGHT. TAXIING IN WE NOTICED THE CB WAS OUT. IT WAS IN ON THE PREFLIGHT. ACFT GROUNDED. R & R CAPTAIN'S PITOT TUBE IAW AMM 34-11-01, SYSTEM OPS CHECKS NORMAL IAW SAME. ACCOMPLISHED PITOT LEAK CHECK AS REQUIRED. CHECKS GOOD.