As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LGA INFLIGHT T707/20APR DURING GEAR RETRACTION FELT HEAVY VIBRATION IN THE NOSE GEAR AREA. RETURNED TO LGA AND LANDED WITHOUT INCIDENT. FOUND LEFT NOSE GEAR DOOR LINK LATCH BROKEN. REPLACED LEFT NOSE GEAR DOOR LINK ASSEMBLY. SYSTEM GROUND CHECKED NORMAL OPERATION. (CLOSED)