As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON OPS CHECK FLIGHT FOR HYDRAULIC MODULE CHANGE AND GEAR RETRACTION CHECK, GEAR WILL NOT RETRACT RED UNSAFE LIGHT STAYS ON. MAINTENANCE REMOVED HYDRAULIC PUMP SN 195835 AND INSTALLED SERVICEABLE PUMP SN 19747. OPS/LEAK CHECK WAS GOOD ADJUSTED WEIGHT O WHEELS SWITCH, OPS CHECK WAS GOOD. (K)