1.   Authorities said the voice recorder was too damaged by impact and heat to be useful.

2.   Authorities said the recorders were damaged but still may yield useful information.

3.   He said the recorder had been damaged by his sons, who were playing with it and accidentally spilled something on it.

4.   He doubted the recorders were damaged because the devices are rugged and designed to survive some of the worst accidents.

5.   Officials say the flight data recorder was damaged in the crash, hampering the probe.

6.   That could mean the second recorder was damaged, the airline said in Seoul, South Korea.

7.   The Ministry of Transportation said the two recorders were damaged but had been found.

8.   The beacon from the other black box, the flight data recorder, has been found separated from the box, meaning the recorder has been damaged.

9.   The flight data recorder was slightly damaged, the report said.