As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) AFTER GEAR SELECTED UP NOSE GEAR UNSAFE LIGHT ILLUMINATED AND LOUD NOISE HEARD COMING FROM VICINITY OF NOSE GEAR AREA. GEAR RECYCLED TWICE, NO CHANGE. MAINTENANCE CHECK REVEALED NOSE GEAR OLEO COLLAPSED. NOSE GEAR OLEO SERVICED AND SYSTEM CHECKED SERVICEABLE.