As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT 1289 - BOS-RIC - ON CLIMBOUT NOSE DOOR OPEN ECAM, VIBRATION NOTICED ON CLIMBOUT AND CRUISE. ECAM INDICATION CAME ON AND DISAPPEARED 4 OR 5 TIMES IN FLIGHT. THE VIBRATION DID INCREASE WITH AND INCREASE IN SPEED. DIVERTED TO JFK. UPON INSPECTION OF NLG AND AND NLG DOOR LINKAGES FOUND 3 OF 4 LINKAGE RODS LOCK WASHERS BROKEN. REPLACED ALL 4 LOCK WASHERS PER AMM 32-22-00. PERFORMED OPERATIONAL TEST OF L/G PER AMM 32-33-00. OPS CHECKS GOOD. NO OTHER DEFECTS NOTED.