New Delhi, October 12 – India’s civil aviation regulator, the Directorate General of Civil Aviation (DGCA), has asked Boeing to provide a detailed report on the unexpected deployment of a Ram Air Turbine, or RAT, on Air India flight AI‑117 to Birmingham this month. The DGCA also told Air India to re‑inspect the RAT stowage on all affected 787 aircraft, especially those that had recently received new power‑conditioning modules (PCMs).
“The airline must give a full account of how the RAT was triggered without command, what steps will stop it from happening again, and share any global data on similar incidents in the 787 fleet,” a senior DGCA official said. The report should include details of any service‐difficulty notices from operators worldwide after PCM changes.
In addition, the regulator said Air India should review its D‑Check work package to confirm every required action related to the PCM replacement has been completed. It will also conduct a new RAT stowage inspection on every Boeing 787 that has had a PCM replaced.
Air India flight AI‑117 was an 787‑8 (tail number VT‑ANO) flying from Amritsar to Birmingham. At about 400 feet, the RAT deployed suddenly during the landing on October 4, 2025, but the pilots detected no problems and the aircraft touched down safely. Boeing has said that maintenance actions were taken after the incident, and the aircraft was cleared for service and returned to Delhi on October 5.
The DGCA is still investigating the root cause of the uncommanded RAT deployment and wants to make sure it won’t happen again. This step follows the regulator’s routine safety checks on India’s aviation fleet and highlights its role in protecting passengers against unexpected system failures.
Source: aninews
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