What was found
JFK - FLT 346 - DURING APPROACH TO LGA WHEN LANDING GEAR SELECTED DOWN, NLG INDICATED UNSAFE. ACCOMPLISHED ABNORMAL PROCEDURES WITH SAME RESULTS. A/C DIVERTED TO JFK AND LANDED WITH NLG UP AND LOCKED AND NOSE GEAR EXTENSION PIN ON INSTRUMENT PANEL EXTENDED. A/C RECOVERED AND NLG EXTENDED. REPLACED BROKEN NLG UPPER DOWNLOCK LINK. ACCOMP L/G RETRACTION CHECK AND ALTERNATE GEAR EXTENSION WITH NO DEFECTS FOUND. SYSTEM GROUND CHECKED NORMAL OPERATION. A/C MX FERRY JFK/BNA/TUL FOR STRUCTURAL/SKIN REPAIR. (M)