Pilatus Pilots: Swap Those Faulty Brakes Before Lockup
Published Date: 4/24/2026
Rule
Summary
Pilatus PC-12/47G airplane owners need to replace both left and right brake pipe assemblies because a faulty valve can cause brake lockup. This fix stops unsafe brake problems and bans using the bad parts. The rule kicks in on May 11, 2026, so pilots and operators should act fast to keep flying safe without unexpected costs.
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Analyzed Economic Effects
1 provisions identified: 0 benefits, 1 costs, 0 mixed.
Pilatus PC‑12 Brake Pipes Must Be Replaced
If you operate a Pilatus PC-12/47G airplane, you must replace both the left-hand and right-hand brake pipe assemblies and you are prohibited from installing the affected parts. This AD is effective May 11, 2026; the FAA estimates the replacement takes 3 work-hours at $85/hour plus $5,000 in parts for an estimated $5,255 per airplane, affecting 13 U.S.-registered airplanes (total estimated cost $68,315), although some costs may be covered under warranty.
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