As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) WHEN LANDING GEAR SELECTED DOWN, NO NOSE GEAR DOWN INDICATION. ALTERNATE EXTENSION PERFORMED & ACFT RETURNED TO THE AIRPORT, NO EMER DECLARED. NLG GREEN DOWN & LOCKED LAMPS IN SELECTOR HANDLE WERE REPLACED. EXTENSION & RETRACTION TEST OF LANDING GEAR PERFORMED, NORMAL OPERATIONS OBSERVED & ACFT RTS.