NEW : NASA spokesman : ` ` Nothing major , no hazardous operation ( was ) taking place '' Rocket - arm engineer was working on another section of the pad , his spokesman says . The contract worker fell while preparing space shuttle Endeavour for its final launch . Counseling and assistance are being provided to workers , NASA says .
NEW : NASA spokesman : `` Nothing major , no hazardous operation ( was ) taking place '' Swing-arm engineer was found on another level of launch pad , his employer says . The contract worker fell while preparing space shuttle Endeavour for its final flight . Counseling and assistance are being provided to workers , NASA says .