As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
HYDRAULIC FLUID LOW ANNUNCIATOR ILLUMINATED IN FLIGHT. LANDING GEAR WAS EXTENDED AS A PRECAUTION. BOTH MAINS INDICATED GREEN DOWN AND LOCKED, NOSE GEAR WAS UNSAFE, NO GREEN INDICATOR. LANDING GEAR PUMP USED TO EXTEND NOSE GEAR MANUALLY. ALL THREE GEAR INDICATED SAFE AND THREE GREEN USING MANUAL PUMP.