The US Federal Aviation Administration (FAA) has released a proposed airworthiness directive (AD) require checks on some Pratt & Whitney PW1000G geared turbofan engines that power Airbus A220 and Embraer E-Jets E2 jets.
The new Directive made public on 9 Sept, prompted following “reports of in-flight shutdowns due to oil leaking from the connection between the LP10 oil supply tube and the fuel oil cooler (FOC).”
The proposed AD “would require initial and repetitive gap inspections of the LP10 oil supply tube and the FOC and, if a gap is found, replacement of these parts. This proposed AD further requires removal of these parts at the next engine shop visit.”
Other GTF variants also have suffered oil-related problems, including oil seal issues affecting PW1100Gs, which power A320neo-family aircraft.