Summary
We are adopting a new airworthiness directive (AD) for certain Bombardier, Inc. Model CL-600-2B19 (Regional Jet Series 100 & 440) airplanes. This AD was prompted by reports that the horizontal stabilizer trim actuator (HSTA) spur gear bolts inside the gearbox were found loose, broken, or backed out due to incorrect bending of the anti-rotation tab washer and the improper application of Loctite glue during installation. This AD requires replacing certain HSTAs with a new HSTA. This AD also requires revising the airplane flight manual (AFM) and the maintenance or inspection program, as applicable. We are issuing this AD to prevent failure of the HSTA and subsequent loss of control of the airplane.
Directive Details
AD Number
FAA-2014-1049
Document Number
2015-33288
Type
Rule
Publication Date
January 13, 2016
Effective Date
February 17, 2016
Affected Manufacturer
Bombardier, Inc.
Criticality
important
Emergency
No
Docket ID
Docket No. FAA-2014-1049
Topics
Official Documents
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