As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER TAKEOFF WHEN GEAR SELECTOR HANDLE WAS MOVED UP BOTH L & R GEAR INDICATORS INDICATED RED HASH MARKS. JACKED ACFT AND CYCLED GEAR WITH AUX PUMP SEVERAL TIMES WITH NO MALFUNCTION. ATTACHED HYDRAULIC MULE AND PERFORMED 15 GEAR SWINGS. OPS TEST GOOD. REF G200 AMM 32-30-00