As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PACK AMBIENT NOISE IN FLIGHT DECK EXCESSIVELY LOUD. DIFFICULT TO COMMUNICATE WITH OTHER CREW MEMBER. PERFORMED OPERATIONS CHECK FOR PACK SYSTEM. OPERATIONS CHECK GOOD. NO LOUD OR EXCESSIVE NOISE AT THIS TIME, NORMAL OPERATIONS, IAW B767AMM 21-51-00.