FAA Orders Better Lube Jobs for Airbus Stabilizer Actuators
Published Date: 2/14/2025
Rule
Summary
The FAA is requiring certain Airbus Canada airplanes (models BD-500-1A10 and BD-500-1A11) to get their horizontal stabilizer trim actuators lubricated more often and with a better method. This fix stops the actuator from jamming during flight, making the planes safer. The new rule kicks in on March 21, 2025, so operators should budget time and money to keep their planes flying smoothly.
Analyzed Economic Effects
3 provisions identified: 1 benefits, 2 costs, 0 mixed.
Mandatory HSTA lubrication to prevent jamming
Operators of Airbus Canada Model BD-500-1A10 and BD-500-1A11 airplanes must lubricate the horizontal stabilizer trim actuator (HSTA) using an improved method and at a reduced interval as specified in Transport Canada AD CF-2023-68R1. The rule is intended to stop water intrusion and freezing that caused HSTA jams and loss of pitch trim capability, which could lead to loss of control of the airplane.
Compliance deadlines and 5‑day grace period
The AD takes effect March 21, 2025. Initial compliance requires lubrication at the earlier of: within 1,100 flight hours after the AD effective date or within 12 months after the most recent HSTA lubrication task (or within 5 days after the effective date, whichever is later). For airplanes since original certificate issuance, the initial compliance is within 1,100 flight hours or 12 months (whichever occurs first) and within 5 days after the effective date.
Estimated maintenance cost per airplane and U.S. fleet
The FAA estimates this AD affects 100 U.S.-registered airplanes and that required lubrication will take up to 2 work-hours at $85 per hour (up to $170 per airplane). The FAA estimates the total cost on U.S. operators as up to $17,000.
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