What was found
DURING CLIMBOUT, WHEN ACCELERATING THRU 210 KTS LOUD NOISE AND VIBRATION SEEMED TO ORIGINATE FROM NOSE GEAR DOORS. CYCLED GEAR, ALL INDICATIONS NORMAL. NOISE CONTINUED, RETURNED TO MSP FOR MAINTENANCE CONSULT. MAINTENANCE REPAIRED CRACK IN LT NOSE GEAR DOOR SIDE PANEL, BY FABRICATED PATCH FOR NOSE GEAR PANEL, IAW STRUCTURAL REPAIR MANUAL 51-71-11-1.