As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
"DURING TAXI CREW REPORTED LEFT COMM INOP , A/C RETURNED TO GATE (BTB) AND MTX GROUNDED A/C , MTX TROUBLESHOT AND REMOVED & REPLACED LH VHF COMM XCVR IAW B767 AMM 23-12-01. OPS CHECK GOOD. TOWER READS LH VHF COMM 5X5.AND RETURNED A/C TO SERVICE .