Airworthiness Directive · Amendment 39-18437 · Elevator control system
Quest Aircraft Design, LLC Airplanes
This AD applies to Quest Aircraft Design, LLC Model KODIAK 100 airplanes, all serial numbers 100-0001 through 100-0149, that are certificated in any category.
We are adopting a new airworthiness directive (AD) for certain Quest Aircraft Design, LLC Model KODIAK 100 airplanes. This AD was prompted by a report of limited control yoke movement of the elevator control system due to cushion edging jammed in the elevator control anti-rotation guide slot. This AD requires repetitively inspecting the elevator control system cushion edging for proper condition; replacing the cushion edging; and at a specified time terminating the repetitive inspections by installing wear pads on the elevator bearing assemblies. We are issuing this AD to correct the unsafe condition on these products.
Before further flight April 22, 2016 (after the effective date of this AD) and repetitively thereafter at intervals not to exceed 50 hours time-in-service until the terminating action specified in paragraph (i) of this AD is done, inspect the cushion edging, part number (P/N) M22529/2-3R-25, located on each side of the elevator control anti-rotation guide slot, P/N 100-619-0008, for the pilot and co-pilot control yoke assemblies, following section 5.1 Cushion Edging Inspection of Quest Aircraft Company Field Service Instruction, Elevator Control System—Cushion Edging Inspection, Report No. FSI-105, Revision 00, not dated, as specified in Quest Aircraft KODIAK Mandatory Service Bulletin SB14-07, dated August 26, 2014; and Quest Aircraft Company KODIAK 100 Mandatory Service Bulletin SB14-07, Revision 01, dated November 23, 2015.
If damage or wear is found during any inspection required in paragraph (g) of this AD, before further flight, replace the cushion edging following section 5.3 of Quest Aircraft Company Field Service Instruction, Elevator Control System—Cushion Edging Inspection, Report No. FSI-105, Revision 00, not dated, as specified in Quest Aircraft KODIAK Mandatory Service Bulletin SB14-07, dated August 26, 2014; and Quest Aircraft Company KODIAK 100 Mandatory Service Bulletin SB14-07, Revision 01, dated November 23, 2015.
Within 1 year after April 22, 2016 (the effective date of this AD), remove the cushion edging, P/N M22529/2-3R-25, installed on the elevator control anti-rotation guide, and install wear pads, P/N 100-619-0037, on the elevator bearing assembly link arm following section 5. Instructions, including all subsections, of Quest Aircraft Field Service Instruction, Yoke Anti-Rotation Guide Wear Pad Upgrade, Report No. FSI-108, Revision 00, not dated, as specified in Quest Aircraft KODIAK 100 Recommended Service Bulletin SB15-01, dated March 26, 2015. Installing all four wear pads on the pilot and co-pilot arms of the elevator bearing assemblies terminates the repetitive inspections required in paragraph (g) of this AD.
The aircraft, engines and makers this AD names, by the model designations in its text. A model listed here may still be outside the AD's serial ranges.
