As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NOSE LANDING GEAR WOULD NOT EXTEND, GEAR WAS CYCLED 3 TIMES THEN HAND PUMPED. NOSE GEAR FINALLY EXTENDED AFTER GEAR WAS SELECTED DOWN FOR 20 TO 30 MINUTES. MAINTENANCE ADJUSTED THE NOSE GEAR UPLOCK ACTUATOR AND CLEANED AND LUBRICATED THE NOSE UPLOCK ROLLER.