11.   When the ship had mechanical trouble in Bermuda en route to New Jersey, Cho flew down carrying new parts.

12.   Authorities speculated the aircraft may have been forced to land because of mechanical troubles.

13.   Cause of the crash was listed as mechanical trouble.

14.   Dealers, installers, and engineers could diagnose mechanical trouble without home visits.

15.   He added that mechanical trouble may have been to blame.

16.   However, police said the car caught fire before exploding, raising the possibility of mechanical trouble as well.

17.   Investigators have ruled out mechanical trouble as the cause of the explosion that killed a passenger on a Philippine Airlines flight to Tokyo, the airline said Tuesday.

18.   Kobayashi said the accident may have been caused by mechanical trouble in the Phalanx weapons system, which was made by General Dynamics in Pomona, California.

19.   Kobayashi said mechanical trouble in the weapons system was suspected to have caused the accident.

20.   Kobayashi said mechanical trouble in the weapons system may have caused the accident.