If corrosion is found, the valve must be replaced prior to the plane's return to service, the agency said. SHUTDOWN REPORTSThe FAA directive said the move was prompted by four recent reports of single-engine shutdowns due to valves being stuck open. Advertisement"Corrosion of these valves on both engines could result in a dual-engine power loss without the ability to restart," the FAA directive said. Boeing also advised operators of the planes to inspect for engine valve corrosion. 737 MAXThe Boeing 737 NG is the immediate predecessor plane to the Boeing 737 MAX, which has been grounded since March 2019 following two fatal crashes.

Source: Daily Nation July 24, 2020 15:22 UTC