The Indian Aviation Regulator, the General Directorate for Civil Aviation (DGCA), ordered Boeing to present a detailed report on the unusual placement of the RAM (Air India AI-117 in Birmingham. Energy conditioning modules (PCM).
‘Boeing has been asked to submit a comprehensive report stating preventive measures to be implemented in connection with the unskilled incident of rat deployment, global data on similar incidents listed in the Boeing 787 fleet, as stated in Fleet team, and details of any difficulty reports from operators (PCM), ”the upcoming DGCA changes have established.
In addition, DGCA ordered Air India to check the “D” work package to verify that all necessary procedures related to the PCM replacement were properly performed. The regulator also stated that it will inspect the storage of rats on all Boeing 787 aircraft, which recently underwent compensation of the PCM module.
What happened?
The incident occurred 4th October 2025, when Air India Flight AI-117, Boeing 787-8 (VT-ANO) operating from Amritsar to Birmingham experienced unexpected deployment of RAM Air Turbine (RAT) during 400 feet. The pilots reported no problems and the plane landed safely without the incident.
“Further investigation is in the process”
Regarding the deployment of rats, the clerk said: “Further investigation is in the process”. Rat is a critical safety device that deploys extraordinary events such as electrical or hydraulic failures to ensure backup power.
Boeing said that maintenance was carried out for uneven deployment of rats and no mismatch was observed. In accordance with this, the aircraft was released and returned to Delhi on October 5, 2025, the official said.
The aim of the DGCA investigation is to find out the cause of the deployment of the completed rat and ensure that the necessary measures are taken to prevent such incidents in the future.
(Tagstotranslate) Boeing (T) Uncommanded Rat Deployment (T) RAM Air Turbine (RAT) (T) Directorate General of Civil Aviation (T) Air India Flight AI-117 (T) RAM Air Turbine (T) Air India (T) Deployment (T) Boeing 787 (T) Amritsar Birmingham Flight
