ALLEGED INCIDENT WAS REPORTED ON 4/14/02. THE EE STATED THAT HE WAS UNSURE OF AN ACCIDENT & STATED HE THOUGHT IT WAS BURSITIS. HE WAS BEING TREATED FOR BURSITIS BY HIS REGULAR PHYSICIAN. A MRI PERFORMED ON 5/30 REVEALED A ROTATOR CUFF TEAR. SURGERY WAS PERFORMED ON 6/4/02 TO CORRECT THE CONDITION. HE WORKED REGULAR DUTIES UNTIL SURGERY.