What was found
AMS - WHEN FLAPS WERE RETRACTED TO 1 DEGREE DURING ASSENT, STICK SHAKER ACTIVATED, NOSE OSCILLATED UP AND DOWN. SPEED INCREASED TO 300 KTS PITCH OSCILLATION CONTINUED, FLAPS EXTENDED TO 5 DEGREES, OSCILLATION STOPPED. DECLARED EMERGENCY AND PREPARED A/C FOR OVERWEIGHT LANDING. (M)