As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: FIRST OFFICER HEADSET JACK AND MICROPHONE INOPERATIVE. CANNOT PERFORM EMERGENCY PROCEDURES ON BLOCK 1 AIRCRAFT WITHOUT BOOM MIKE INOPERATIVE. REMOVE AND REPLACED FIRST OFFICER MICROPHONE JACK. PER SWPM 20-30-12 AND PROPERLY STOWED FIRST OFFICER OXYGEN MASK. PER AMM 35-12-85. OPS CHECK GOOD, PER AMM 23-51-00.