The facility, one of the largest in the world, with eight producing units, or trains, churning out 22 million tonnes of LNG annually, encountered a problem with its liquefied petroleum gas (LPG) facility, which is also expected to curb LNG output, five traders said.

Still unclear was the impact of the outage, with estimates varying from four to seven cargoes. Traders said the outage was expected to last up to a month.

Operator Pertamina did not respond to requests for immediate comment.