31.   A backup system also failed, and employees were forced to prepare the briefings manually, which took far longer, he said.

32.   A backup alarm system also failed for reasons that were unclear yesterday, the chief said.

33.   A backup system also failed.

34.   A General Accounting Office study said the system failed to meet basic health and safety standards or provide oversight.

35.   A look at the meaning behind the stats being widely cited this summer as evidence the system is failing.

36.   A month later, an airliner had to be towed off the runway in Hong Kong because its hydraulic system failed.

37.   A warning light on the dash will tell you when the system has failed.

38.   ADS-B would take over navigation, surveillance and communications functions now spread among four separate sets of equipment, thus raising the stakes if the system failed.

39.   Again, the cabin lights went dark and the public address system failed.

40.   But it also reflects concerns nationwide that the parole system has often failed to monitor released inmates adequately.