2026-18053RuleWallet

FAA Orders More Inspections for ATR Regional Jets

Published Date: 9/3/2026

Rule

Summary

The FAA is updating safety rules for certain ATR42-500 airplanes by adding new maintenance checks to keep them safe. This change starts on September 18, 2026, and affects owners and operators who’ll need to update their inspection programs. While it might cost some time and money, it’s all about making sure these planes stay safe in the sky.

Analyzed Economic Effects

2 provisions identified: 1 benefits, 1 costs, 0 mixed.

Must Add New Airworthiness Limitation

If you operate ATR-GIE Avions de Transport R[eacute]gional Model ATR42-500 airplanes, you must revise your maintenance or inspection program to incorporate the new airworthiness limitation in EASA AD 2025-0135 (as referenced in Temporary Revision 18.9 dated April 9, 2025). This AD is effective September 18, 2026, and requires operators to complete the program revision within 90 days after that date to address an inability to close ventilation electrical shut-off valves that could allow a cargo-compartment fire to reignite.

No Immediate U.S. Operator Impact

The FAA states there are currently no U.S.-registered airplanes affected by this AD, so no U.S. operator must comply immediately. If an affected airplane is imported and placed on the U.S. Register in the future, the FAA estimates the per-operator compliance cost at $7,650.

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Key Dates

Published Date
Rule Effective
Comments Due
9/3/2026
9/18/2026
10/19/2026

Department and Agencies

Department
Independent Agency
Agency
Transportation Department
Federal Aviation Administration
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