What was found
(CAN) CREW REPORTED OSCILATIONS IN FLIGHT THAT THEY ATTRIBUTED TO FLIGHT CONTROLS AS WELL AS A BANGING SOUND IN FLIGHT. MAINTENANCE TO INVESTIGATED ON ARRIVAL. R & R ACCELEROMETERS 12CE3 + 12CE4 IAW 27-92-16, PB 401+ TSM 27-30-00-810-853. NO FAULT NOTED. 12CE3, PN J172ABM, SN OFF 5594. 12CE4, PN J172ABM, SN OFF 5593., MFG: THOMSON CSF SEXTANT SIMILAR SYMPTOMS ON THE FOLLOWING FLIGHT: THE FLIGHT CREW REPORTED THERE WERE FLIGHT CONTROL PROBLEMS AND SUSPECTED UNCOMMANDED ELEVATOR MOVEMENT IN CRUISE. MAINTENANCE INVESTIGATING ELEVATOR SERVO CONTROLS 34CE1 AND 34CE2 REPLACED IAW AMM 27-34-51 PB401. SEC 2 REPLACED AND TESTED SERVICABLE AS PER AMM 27-94-34 PB 401. PN OFF: 31075-220, SN 1530, PN OFF: 31075-440, SN 3419, PN OFF: B372BAM0511, SN 136, NO FURTHER ISSUES.