EE STATED THAT HE WAS STANDING ON THE BUMPER OF THE MECHANICS TRUCK WITH ONE FOOT ON THE PUSH BEAM ON THE DOZER. AS HE WAS HEANDING AN OIL CAN TO THE MECHANIC ON THE DOZER, HIS FOOT SLIPPED CA USING HIM TO FALL AND HIT HIS LEFT HIP AREA TAILBONE ON THE PUSH BEAM. DID NOT GO TO DR UNTIL 3-21-02 AND WAS ONLY REPORTABLE WHEN FIRST LOST WORK DAY OCCURRED 4-5-02.