11.   Sixty-two firefighters responded to the blaze, which fire investigators believe started when an electrical malfunction on the second floor ignited several cans of paint thinner.

12.   Sometimes it leads to cardiac arrest, but the arrest itself is an electrical malfunction.

13.   The cause of the electrical malfunction was not known.

14.   The Marines said they have ruled out several possible causes, including lack of fuel, fuel contamination, an in-flight fire, pilot disorientation and electrical malfunction.

15.   Troubleshooting electrical malfunctions can be frustrating because breaks in insulated wires or within components are not obvious.

16.   Whatever the reason for electrical malfunctions, I would never attempt to begin a repair without a wiring diagram, or electrical road map.

17.   Whatever the reason for electrical malfunctions, never attempt to begin a repair without a wiring diagram.

18.   But after a search involving patrol boats and helicopters, the trouble proved to be a temporary electrical malfunction on the boat.

19.   Earlier, officials had suggested an electrical malfunction was responsible.

20.   Police Commander Arjemiro Serna said the fire was started by an electrical malfunction.