The bulletin
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FAA Aviation Safety
SPECIAL AIRWORTHINESS
INFORMATION BULLETIN SUBJ: Safety Navigation: BendixKing KSN 765/770 SAIB: SW-17-01 Date: November 4, 2016 This is information only. Recommendations aren’t mandatory.
Introduction
This Special Airworthiness Information Bulletin informs owners and operators of an airworthiness concern on aircraft equipped with BendixKing Navigator KSN 765/770 displays having part numbers 066-01204-0101, 066-01204-1101, 066-01213-0101, and 066-01213-1101 with Software Version 1.0.3, approved under Approved Model List Supplemental Type Certificate SA11174SC.
At this time, the airworthiness concern is not an unsafe condition that would warrant airworthiness directive (AD) action under Title 14 of the Code of Federal Regulations (14 CFR) part 39.
Background
During autopilot coupled instrument approaches with vertical guidance, the BendixKing KSN 765/770 may cause unanticipated pitch changes due to erroneous early glideslope/glidepath capture commands.
Recommendations
The FAA recommends that all owners and operators of aircraft equipped with the referenced BendixKing Navigator KSN 765/770 provide a means to ensure their flight crews are familiar with the procedures described in BendixKing Service Information Letter D201603000004, Revision 0, dated April 22, 2016.
For Further Information Contact
Jonathan Kim, Aerospace Engineer, Federal Aviation Administration, Fort Worth Certification Office, 10101 Hillwood Parkway, Fort Worth, TX 76177: phone: (817) 222-5131; fax: (817) 222- 5245; e-mail: Jonathan.kim@faa.gov.
For Related Service Information Contact
BendixKing by Honeywell, 9201-B San Mateo Blvd N.E. Albuquerque, New Mexico 87113 U.S.A.;
phone: (855) 250-7027; Website: www.BendixKing.com/support.