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Saturday, April 5, 2014 - 2:45pm
(CNN) — The ship searching for the missing Malaysia Airlines flight 370 first detected a pulse signal on Friday but couldn't record it because the signal stopped abruptly, a Shanghai-based Communist Party newspaper said.
The signal detected Saturday, the Jiefang Daily said, occurred at 3:57 p.m. Beijing time (3:57 a.m. ET) and lasted about 1.5 minutes.
It was not clear whether the signal had anything to do with the missing plane.
The acoustic pinger batteries on Malaysia Airlines Flight 370's black boxes were due to be replaced in June, the Malaysia Airlines CEO said Saturday.
"We can confirm there is a maintenance program.
Batteries are replaced prior to expiration," Ahmad Jauhari Yahya said.