The US Federal Aviation Administration warned operators of certain Boeing Co. 737 aircraft that the rudder system could possibly jam due to a faulty part, a week after a safety official rebuked the agency for not acting sooner to address the issue.

The NTSB criticized the FAA for a desultory response to the risk from faulty 737 rudders and Boeing for not fully informing airlines in advance about them.

The National Transportation Safety Board issued urgent safety recommendations to Boeing over a steering defect related to its 737 planes, adding its growing list of woes.

The Federal Aviation Administration on Tuesday issued a safety alert to airlines warning of the potential for limited or jammed rudder movement on certain Boeing 737 airplanes. Last week, the National Transportation Safety Board said more than 40 foreign operators of Boeing 737 airplanes may be using MAX or 737 Next Generation planes with rudder components that could pose safety risks.

Aviation regulator DGCA on Monday issued an advisory to Indian airlines operating Boeing 737 planes regarding the potential risk of a jammed rudder control system. The move follows the recent probe report by the US National Transportation Safety Board (NTSB) that highlighted safety concerns involving Boeing 737 aircraft lanes equipped with Collins