As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SIGNIFICANT PACK SURGE ON TAKEOFF AND INITIAL CLIMB THROUGH 10,000 FT(<P>PER MCC REQUEST REMOVED AND REPLACED CABIN PRESSURE SELECTOR & PERFORMED OPS TEST IAW B767 AMM 21-31-01. OPS TEST NML. PERFORMED CABIN PRESSURE TEST IAW B767 AMM 05-51-24. NO DEFECTS NOTED.</P>)