7 months ago
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NEW DELHI: The Directorate General of Civil Aviation (DGCA) has asked Air India to reinspect the ram aerial turbine (RAT) for retention connected each craft whose powerfulness conditioning module (PCM) was replaced successful the caller past.
PCM provides powerfulness for different modules that enactment the cognition of aggregate craft systems. RAT deployment happens erstwhile the strategy senses either electric, hydraulic oregon duplicate motor failure. The directive aims to cheque immoderate correlation betwixt recently replaced PCM and RAT deployment.Following the un-commanded deployment of RAT connected an AI Boeing 787 past Saturday conscionable earlier landing successful the UK, the regulator has asked the US aerospace large to taxable a "comprehensive study outlining the preventive measures to beryllium implemented successful respect of the un-commanded" RAT deployment."Boeing has been requested to supply a broad study outlining the preventive measures to beryllium implemented successful respect of the un-commanded RAT deployment incident; elaborate accusation regarding akin un-commanded RAT deployments occurred globally connected Boeing 787 bid aircraft... and immoderate work trouble study received from craft operators worldwide aft alteration PCM module," said a elder DGCA official.
Air India has been advised to reappraisal its large maintenance. "Further probe is successful progress," said the authoritative connected the RAT deployment.On October 4, 2025, an Air India B787-8 (VT-ANO) saw its RAT deploy erstwhile it was astir to onshore successful Birmingham. "During landing astatine 400 feet RAT unlock connection came and RAT got deployed. Pilot did not study of immoderate related abnormality. craft landed safely. Boeing recommended attraction actions for uncommanded RAT deployment were carried retired and nary discrepancy was observed. Accordingly, craft was released for work and was brought backmost to Delhi connected October 5," said an official.
