As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT#2851, FLL-UIO. 'LOST COM 1 OCCURRED RIGHT AFTER TAKE OFF; FOLLOWED TSM 23-12-00-810-813-A, VERFIED WITH CREW, VHF 1 ONLY UNABLE TO TRANSMITT. OK TO RX. VHF 1 OK ON GROUND AT ALL TIMES. PFR AND BITE TEST SHOWED 1RC1 AT FAULT. REMOVED AND REPLACED VHF 1 TRANSCEIVER IN REF TO AMM 23-12-33. OPS CHECK GOOD. UNABLE TO DUPLICATE FAULT FOR TAKE OFF BUT PERFORMED TX AND RX WITH LGCUI GEAR SIMULATION TEST. TEST OK. '