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 Reason for Airworthiness Concern:
Possible Carbon Monoxide in the Airplane Cabin Date: April 27, 2007 FAA Description of Airworthiness Concern (Who, What, Where, When, How? Attachments: RA and appropriate data)
This concern originated from notification by CDC of a SR20 airplane with a failure of one of the spot welds securing the heater muff baffle to the muffler. Exhaust leaking into the heating and ventilating system was evident from carbon tracks emanating from the weld and by the muffler failing to pass a pressure test. This concern only is for the Cirrus model SR20.
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 provide us with additional information, which may affect the airworthiness action taken by the FAA. This includes comments regarding and any additional findings, accidents/incidents, or service difficulties pertaining to this airworthiness concern.
Attachments: *SDR(s) *A/IDS *SL(s) *SAIB *FAASR/*NTSBSR *AD *AMOC *RA
Notification: FAA *AOPA *EAA Type Club *TC Holder O t h e r :
Response Requested 05/25/07: Emergency (10 days) Alert (30 days) Information (90 days) (Space Bar Adds “X” to Check Boxes) *Service Difficulty Reports (SDRs); Accident/Incident Data System (A/IDS); Service Letter (SL); 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.