41.   When the Firestone problem surfaced, Muni checked the fleet.

42.   When the problem first surfaced Zepeda told the Daily News that it was the result of a computer glitch and would be corrected.

43.   When problems do surface, the preferred solution is typically ritualized apology, resignation and, in extreme cases, suicide.

44.   When the problem surfaced, Endeavour and its seven-member crew were on the eve of liftoff.

45.   At the end of the year, a fresh problem surfaced from the custodians.

46.   But other problems soon surfaced among the group of largely Gypsies.

47.   But problems have surfaced immediately with the law, which spells out how local and legislative elections will be organized this fall and was to have taken effect Tuesday.

48.   FAMILY problems surface and worsen during hard times, and they could lead to violence and tragedy, speakers at the City Forum said yesterday.

49.   He said he could not rule out the possibility that other accounting problems will surface affecting Asia-Pacific revenues last quarter or in previous quarters.

50.   Health problems were already surfacing.