The concern sheet
Text extracted from the PDF.
Revised 1/24/02 Airworthiness Concern Sheet
Wess Rouse Small Airplane Project Manager Chicago Aircraft Certification Office Systems & Flight Test Branch 2300 E. Devon Ave.
Des Plaines, IL 60018 847-294-8113 Wess.Rouse@faa.gov Make, Model, Series, Serial No.:
Cirrus Design Corporation (CDC) SR20 and SR22 Reason for Airworthiness Concern:
Possible serious or fatal injury due to a jammed aileron and rudder Date: April 23, 2007 FAA Description of Airworthiness Concern (Who, What, Where, When, How? Attachments: RA and appropriate data)
This concern originated from notification by CDC of an on the ground jamming of the aileron and rudder controls. It was reported that during a turn onto the runway for takeoff, the pilot applied full rudder for the turn and full opposite aileron for a crosswind. He then found the controls could no longer be moved. Subsequent examination of the airplane revealed the rudder aileron interconnect system had become locked between the two control cables. Cirrus is actively working on a solution to eliminate any possibility of control jamming.
Request for Information (Proposed Alternate Inspection/Repair Procedures, Cost Impact, Etc. Note: Any comments or replies to the FAA need to be as specific as possible. Please provide specific examples to illustrate your comments/concerns.):
Please review the attached Service Advisory and provide us with additional information, which may affect the airworthiness action taken by the FAA. This includes comments regarding the CDC service advisory and any additional findings, accidents/incidents, or service difficulties pertaining to this airworthiness concern.
Attachments: *SDR(s) *A/IDS *SA(s) *SAIB *FAASR/*NTSBSR *AD *AMOC *RA
Notification: FAA *AOPA *EAA Type Club *TC Holder O t h e r :
Response Requested by 5/8/07 (Space Bar Adds “X” to Check Boxes) *Service Difficulty Reports (SDRs); Accident/Incident Data System (A/IDS); Service Bulletin (SB); Special Airworthiness Information Bulletin (SAIB);
Federal Aviation Administration (FAA)/National Transportation Safety Board (NTSB) Safety Recommendation (FAASR/NTSBSR); Airworthiness Directive (AD); Alternate Method of Compliance (AMOC); Risk Assessment (RA); Aircraft Owners & Pilots Association (AOPA);
Experimental Aircraft Association (EAA); Type Certificate (TC) This Airworthiness Concern Sheet (ACS) is intended as a means for FAA Aviation Safety Engineers to coordinate airworthiness concerns with aircraft owner/operators through associations and type clubs. At this time, the FAA has not made a determination on what type of corrective action (if any) should be taken. The resolution of this airworthiness concern could involve an AD action or an SAIB, or the FAA could determine that no action is needed at this time. The FAA’s final determination will depend in part on the information received in response to this ACS.
The FAA endorses dissemination of this technical information to all manufacturers and requests association and type clubs comments.