A MECHANIC REPORTED TO HSI SUPERVISOR ON 3-20-00 THAT HIS LEFT KNEE WAS SORE AND THOUGHT THE CAUSE OF THIS WAS THAT HE HAD FELL DOWN 2 WEEKS PRIOR AND HAD HIT IT NEVER REPORTED AND NO WITNESSE S. EE WENT TO THE DR ON 3-20 AND DR CAN'T DETERMINE WHETER HIS CELLULITIS OR GOUT AFFECTING THE KNEE OR NOT LETTING INSURANCE AHND THIS ONE.