The new search began on January 22 after the US-based company Ocean Infinity was hired by the Malaysian government to find the missing plane, which disappeared on March 8, 2014.
After 10 days, Ocean Infinity's search ship, Seabed Constructor, abruptly turned off its Automatic Identification System (AIS). Three days later it reappeared on course for a scheduled stop at the Australian port of Fremantle.
Tuesday's report, which covered the dates of the disappearance, made no mention of the AIS outage, the Guardian reported.
Neither the Malaysian government nor Ocean Infinity have offered an explanation.
The report said the Seabed Constructor had identified two points of interest that were later classified as geological.
K.S. Narendran, who had a relative on MH370, called for greater transparency over the ship's temporary disappearance.
"I found the development quite odd, and worrying," the Guardian quoted Narendran as saying.
"If this silence and becoming invisible was intentional, to ward off suspicion, a satisfactory explanation is due. If it was for other reasons, then in the interests of transparency, we ought to be told what caused it."
The Seabed Constructor is scheduled to leave Fremantle and return to the search area on February 12.
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