As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
VERY LOUD GRINDING NOISE AND VIBRATION COMING FROM FLOOR NEAR ROW 20. POSSIBLE PUMP MAINT TEXT: RAN HYD PUMPS AND ISOLATED FOUND WITH BLUE OVRD. PUMP ON-SEVERE VIBRATION AND NOISE BY ACCESS PANEL 195BB. (SUSPECT NEEDS BLUE HYD PUMP.) REPLACED BLUE SYSTEM HYDRAULIC PUMP PER MM.