What was found
UNUSUAL SOUND AFT OF THE ACFT. NOISE COMING FROM ROW 16 LT SIDE 3RD PANEL FROM THE BACK. PACK IS OFF, NOISE STOPS. PERFORMED OPS CHECKS.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
UNUSUAL SOUND AFT OF THE ACFT. NOISE COMING FROM ROW 16 LT SIDE 3RD PANEL FROM THE BACK. PACK IS OFF, NOISE STOPS. PERFORMED OPS CHECKS.