What was found
FLIGHT:3618 GLH/TUP NO LEFT MAIN GEAR INDICATION. REPLACED LEFT MAIN LANDING GEAR DOWNLOCK SWITCH ASSEMBLY, OPERATIONAL CHECK NORMAL.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
FLIGHT:3618 GLH/TUP NO LEFT MAIN GEAR INDICATION. REPLACED LEFT MAIN LANDING GEAR DOWNLOCK SWITCH ASSEMBLY, OPERATIONAL CHECK NORMAL.