1.   Council officials say lives were at risk from mechanical defects, including faulty brakes.

2.   Council officials say that lives were put at risk from mechanical defects, including faulty brakes.

3.   Others include mechanical defects and driver fatigue.

4.   -- An aircraft airworthiness certificate, issued by the FAA that testifies a plane or helicopter can fly as billed and is without mechanical defect.

5.   MBTA officials insisted Tuesday that there were no mechanical defects in the escalator and that their investigation into the accident was hindered by a lack of witnesses.

6.   There seemed to be a consensus among railway experts that the most likely cause was a broken wheel or some other mechanical defect.

7.   Under the old contract, parking vehicles was done by vehicle service employees who also clean, refuel and check cars for mechanical defects.

8.   A two-page version of the report distributed to the press also absolved Dominican air traffic controllers and said the aircraft had no other mechanical defect.