As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ETOPS, AIR-PACK 2 REGUL FAULT. PERFORMED VISUAL INSP OF PREVIOUSLY INSTALLED #2 PACK TEMP CONTROL. FOUND OZONE CONVERTOR AIR LEAK. REMOVED AND REPLACED OZONE CONVERTOR SEAL BOTH LEFT AND RIGHT SIDE PER AMM 21-51-53. OPS CHECKED NO DEFECTS NOTED.