Inspection of all 291 CH 46 Sea Knight helicopters in the Navy and Marine Corps found only one with a flaw of the kind that triggered a temporary grounding of the fleet, officials said.

The Navy Air Systems Command ordered the grounding Monday as a precaution after discovery of a crack in a rotor component of a Sea Knight at the Cherry Point Marine Corps Air Station in

North Carolina.

A similar problem was found Wednesday in a CH 46 deployed aboard the amphibious assault ship Belleau Wood in the Persian Gulf area, said Ward Carroll, a spokesman for the command. The part