What was found
AFTER TAKEOFF GEAR RETRACTED & SOON AFTER GOT EICAS GEAR DOOR MESSAGE WITH SYNOPTIC SHOWING RIGHT BODY GEAR DOOR NOT CLOSED & ASSOCIATED AIRFRAME VIBRATION NOTED. [07-31-07] CYCLED GEAR DOOR NUMEROUS TIMES, OPERATION NORMAL. INSPECTED PRIMARY AND ALTERNATE SENSORS AND TARGETS, ALL OK. ACCOMPLISHED PSEU TEST, PRIMARY AND ALTERNATE INDICATION TESTS ALL PASSED. UNABLE TO DUPLICATE REPORTED PROBLEM. NO REPEAT OCCURRENCE IN NEXT MONTH OF OPERATION.