What was found
FLT#938, SJD-JFK. (AIRCRAFT DECLARED AN EMERGENCY INTO JFK) ' FLAP OVERSPEED WARNING ON CLIMB OUT. FLAPS RETRACTED ON SCHEDULE. ACTUAL SPEED WAS NOT ON OVERSPEED TAPE AS IT WAS NOT DISPLAYED ON PFD. INDICATED SPEED 235KTS WHEN WARNING CAME ON. NO LONGER THAN 5 SECONDS. 5KTS OVER; REF AMM 05-51-13-200-001-A. DUE TO OVERSPEED ONLY 5 KTS OVER, ONLY EXTENSION AND RETRACTION TEST REQUIRED OF FLAPS AND SLATS. PERFORMED EXTENSION AND RETRACTION TEST OF FLAPS AND SLATS REF AMM 27-50-00 AND 27-80-00. TEST SATISFACTORY. NO DEFECTS NOTED.'