As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLIGHT 0061 FLL/FLL REPORT: LEFT ENGINE HEAVY VIBRATION AT 500 FT AND ON T/O NOTICED TRQ AT 20 %. MEMORY ITEMS FOLLOWED QRC/ QRH FOLLOWED. EMERGENCY DECLARED. R&R LT ENG WITH SERVICEABLE ENG IAW MM-4 REF 71-00-55--01 & MM 72-00-00 OPS & LEAK CHECK GOOD.