What was found
FLT#1107, JFK-LHR. (AIRCRAFT PERFORMED AN AIR TURN BACK TO JFK) 'FA'S REPORTED, LOUD HUMMING NOSIE AND VIBRATION FROM RIGHT SIDE MID CABIN, PAX MOVED DUE TO NOISE; AS PER UPPER LEADERSHIP AND TECH SUPPORT CLEANED PANEL 192DT AND RE-APPLIED SEALANR DUE TO ORIGINAL SEALANT NOT BEING PROPER ADHERE TO, PER AIRBUS ISI, RE-APPLIED SEALANT TO PANEL 192DT AND INSTALLED PER AMM 53-35-11-400-001-A.'