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DGCA Orders Air India to Reinspect RAT Stowage on 787s After PCM Replacements

The regulator tied the move to recent power‑module changes, requesting Boeing’s preventive plan.

Overview

  • Air India must recheck Ram Air Turbine stowage on Boeing 787s that recently had Power Conditioning Modules replaced, per a DGCA directive.
  • DGCA asked Boeing for a detailed report on prevention steps and data on similar uncommanded RAT deployments worldwide, including post‑PCM replacement difficulties.
  • The action follows an October 4 event in which Flight AI‑117 reported an automatic RAT deployment on final approach before landing safely with no defects found in subsequent checks.
  • A separate October 9 ViennaDelhi flight diverted to Dubai after reported autopilot and other malfunctions, a characterization the pilots’ union detailed and the airline disputes regarding any electrical failure.
  • Investigations are ongoing, and the DGCA said further measures will follow review of Air India’s inspection results and Boeing’s response, with a D‑check work‑package review also advised.