AD 2016-23-07
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Bombardier | Various | Airworthiness Directives; Bombardier, Inc. Airplanes |
Unsafe Condition
Failure of the attachment pins and trunnions of the Horizontal Stabilizer Trim Actuator (HSTA), which could result in separation of the horizontal stabilizer and consequent loss of control of the airplane.
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Required Actions
Measure the diameter of certain bolts and attach holes, and, as applicable, measure the diameter of the attach holes in the trunnions and pins. Perform detailed visual inspections of the trunnions, pins, and spacers. Take corrective actions, including replacing bolts, trunnions, pins, and spacers; increasing the diameter of attach holes; and repairing trunnions and pins. Re-identify trunnions and pins. Revise the maintenance or inspection program.
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Compliance Time
Within 12 months of the effective date of December 30, 2016.
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Affected Aircraft
Bombardier, Inc. Model CL-600-2B19 (Regional Jet Series 100 & 440) airplanes.
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Source: Official FAA Source ↗
Retrieved: Apr 4, 2026
Rights: U.S. Government Public Domain
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