What was found
DURING TAXI, FO INTERCOM INOP. UNABLE TO TRANSMIT. RETURNED TO GATE (BTB). F/O MASK WAS DISTURBED DURING PRE-FLIGHT CHECKLIST. OPS CHECK GOOD IAW B767 35-11-00. F/O AUDIO PANEL OPS CHECK PER AMM 23-51-00 B767. A/C RETURNED TO SERVICE.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DURING TAXI, FO INTERCOM INOP. UNABLE TO TRANSMIT. RETURNED TO GATE (BTB). F/O MASK WAS DISTURBED DURING PRE-FLIGHT CHECKLIST. OPS CHECK GOOD IAW B767 35-11-00. F/O AUDIO PANEL OPS CHECK PER AMM 23-51-00 B767. A/C RETURNED TO SERVICE.