Flows of natural gas to Freeport LNG have remained at a trickle for a week, fueling market concern that possibly all three trains at the facility could be offline after a reported issue with Train 3 last week.

Nominations for natural gas to the liquefied natural gas facility had been reduced to about one-fourth of the operational capacity for more than a month as the Freeport LNG Development LP continued maintenance and repairs on all three trains, according to Wood Mackenzie pipeline data. Freeport LNG is able to produce about 2 Bcf/d at full capacity.

However, nominations to the terminal dropped further following a reported system issue on April 9 that tripped Train 3 offline for almost 15 hours. Since April 11, feed gas nominations to Freeport have been around 1% of...