India, Aug. 5 -- The US Federal Aviation Administration (FAA), in a recent safety alerm, has reportedly raised concerns about possible defects in the ram air turbine (RAT) forward fittings on select Boeing 787-9 and 787-10 aircraft, following alerts from several suppliers that the parts may have been made using inferior-quality titanium.

The Times of India reported that following the FAA's concerns, operators of Boeing 787-9 and B787-10 models will have to check their RAT forward fittings to "address the unsafe condition". The FAA proposal came following reports indicating the same "were possibly manufactured with an incorrect titanium alloy material".

The Tata-owned erstwhile Vistara has seven Boeing 787-9 aircraft in its fleet that ar...