FAA Proposes Longer Deadline for Helicopter Gearbox Repair
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The Federal Aviation Administration (FAA) is proposing to update an existing airworthiness directive for certain Airbus Helicopters Model SA330J helicopters. The current rule requires operators to repeatedly inspect the main gearbox oil cooling fan for a specific gap and eventually replace the fan rotor bearing assembly with an improved version.
Why it matters: This is a standard maintenance scheduling adjustment. The core safety issue—potential failure of the gearbox cooling fan—remains the same, but the FAA is allowing operators more time to procure and install the permanent fix. It does not change the fundamental safety requirement, only the timeline for the final step.
Who it affects
- Operators of Airbus Helicopters Model SA330J helicopters
This is a proposed rule from the Federal Aviation Administration published in the Federal Register; readers should check the original document for exact compliance dates and technical specifications before relying on it.
Agency: Transportation Department, Federal Aviation Administration
Source: Federal Register — read the official document