21.   Then, one day, Stutchkoff developed troubles of his own.

22.   They recently passed a bill decreeing that when any state corrections officer develops heart trouble, it will automatically be considered a job-related disability.

23.   When his airplane developed engine trouble over Uganda, he was grounded for three days until a replacement engine arrived from London.

24.   When that orchestra developed economic troubles, Entremont left again.

25.   A British Airways Concorde jet en route to New York made an emergency landing Friday in Halifax after it developed engine trouble over the Atlantic.

26.   A British Airways Concorde jet en route to New York made an emergency landing in eastern Canada on Friday after developing engine trouble over the Atlantic.

27.   A British Airways plane en route to Bangkok made an emergency landing in Istanbul on Sunday after it developed engine trouble over Bulgaria.

28.   A Japan Airlines jet bound for Honolulu returned safely to Tokyo International Airport at Narita late Sunday after developing engine trouble, an airport spokesman said Monday.

29.   A Japan Airlines flight bound for Brisbane, Australia, made an emergency return to the Kansai International Airport early Thursday after developing engine troubles, airport police said.

30.   A pilot who was test flying a light aircraft that had just been repaired was forced to make a crash landing at an airport when it developed engine troubles.