As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ETOPS - F/A REPORTED FLOOR VIBRATION AND HUM ROW 15 THRU 19 A/C RIGHT ON CLIMB OUT, NOISE CHANGE WITH A/C SPEED . T/SHOOTING PERFORMED. FOUND HEAVY AIR LEAK BETWEEN PACK 1 FCV AND OZONE CONVERTER MATING SURFACES. BROKEN SEAL REPLACED AS PER AMM 21-51-51-865-051-A. PACK 1 OPS & LEAK CHECK SATIS.