What was found
DURING CLIMBOUT ~30,000FT, BANGING WAS FELT THROUGHOUT THE COCKPIT TO THE GALLEY. BANGING WAS ERRATIC AND CONTINUED FOR SERVERAL MINUTES. DURING DESCENT, BANGING CEASED. NO ECAM FAULTS/ALERTS. PERFORMED OPERATIONS TESTS, IAW AMM 34-41-00, 32-22-00, 53-15-11, 21-26-00, 05-27-10. ALL ACCESS PANELS/DOORS ARE SECURED + CLOSED, NO DEFECTS NOTED AT THIS TIME. A/C OKAY FOR SERVICE.