Textron Jet Owners: Update Manuals for Safer Flights Ahead
Published Date: 11/28/2025
Proposed Rule
Summary
If you own or work with Textron Aviation Model 525B airplanes, heads up! The FAA wants you to update your maintenance manuals to follow stricter inspection rules to keep these planes safe. You’ve got until January 12, 2026, to share your thoughts before these changes might cost some time and money but will boost safety.
Analyzed Economic Effects
2 provisions identified: 1 benefits, 1 costs, 0 mixed.
Must Update Maintenance Manuals Now
If you operate or maintain Textron Aviation Model 525B airplanes, you must revise the Airworthiness Limitations Section (ALS) of the aircraft maintenance manual (AMM) or instructions for continued airworthiness (ICA) and your approved maintenance/inspection program to incorporate the revised tasks and intervals in table 1 to paragraph (g). You must do this within 150 hours time-in-service (TIS) or 12 months after the effective date of the AD, whichever occurs first. This change is meant to prevent undetected cracks in engine mounts and vertical stabilizer spar caps that could reduce controllability.
Estimated Compliance Cost Per Airplane
The FAA estimates the paperwork/update action will take 1 work-hour at $85 per airplane, with no parts cost. The FAA estimates this AD would affect 601 U.S.-registered Model 525B airplanes for a total estimated cost to U.S. operators of $51,085.
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