As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ETOPS - EXCESSIVE HOT AIR BEING DISCHARGED FROM #1 PACK. REMOVED ADN REPLACED #1 PACK TEMP CONTORL VALVE PER AMM 21-53-53. OPS CHEKC NORMAL. TEMP CHECKS NORMAL. LEAK CHECKED WITH ACOUSTIC IMAGER(FLUKE). NO LEAKS NOTED. A/C OK FOR SERVICE.