As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PASSING 16;000; FLIGHT ATTENDANTS IN BACK OF AIRCRAFT REPORTED VIBRATION AND AR NOISE. EAR WERE POPPING AND FELT PRESSRE.<[01] PERFORMED CABIN PRESSURIZATION CHECK IAW AMM 21-00-05.NO LEAKS NOTED. R/R #2 CABIN PRESSURE CONTROLLER (CPC) IAW AMM 21-31-01 AND CABIN PRESSURE MODULE IAW AMM 21-31-02.