What was found
FLT#2009, PBI-LAX. 'CLIMBING OUT OF PBI AND INCREASING TO 250 KNOTS THE CAPT/FO NOTICE A VIBRATION ON THE FLOOR/RUDDER PEDALS. INFLIGHT FELT THE VIBRATION TOWARD THE THE FRONT OF THE AIRCRAFT. SWAPPED AP NO DIFFERENCE SLOWED TO MACH .76 WANED BUT STILL PRESENT; NO HISTORY OF VIBRATION. PERFORMED TSM 05-50-00-810-801. PERFORMED GVI OF FUSELAGE & SEALS AS PER 53-35-00. NO LOOSE OR MISSING SEALS. GVI OF NLG32-30-00. NO DAMAGED NOTED. R & R #1 & #2 TIRE AS PER AMM 32-41-12. OK FOR SERVICE.