FlightMax Entegra - Avidyne

Field Level Troubleshooting Guide5. In-flight Loss of Function5.1 In-flight Loss of ADAHRS Function5.1.1 In-flight Loss of ADI (Attitude, Air Data, Heading)5.1.1.1 Symptom(s)• Attitude, Airspeed and Heading are all removed from display and replaced by red-Xs.5.1.1.2 Cause• An internal failure of the ADAHRS.5.1.1.3 Workaround (if any)• None – refer to backup instruments.5.1.1.4 Corrective Action• If in-flight, refer to backups for remainder of flight and do not attempt to regainADAHRS data by power cycling the PFD.• If power was cycled for whatever reason to the PFD, air data may come back. Dueto the unlikelihood of this occurring however, it is still recommended that the PFDnot be power cycled in-flight.• Remove and replace the PFD and if contacting Avidyne Customer Service (1-888-723-7592, www.avidyne.com), provide the modification number as marked on the TSOsticker, the unit serial number and the software version number, if known.5.1.1.5 Other Comments• If this event only occurs once in flight and cannot be duplicated on the ground,consider a subsequent flight test in VMC conditions to attempt to replicate.5.1.2 Loss of Attitude In-flight5.1.2.1 Symptom(s)• Attitude (ADI-only) is removed from display and replaced by red-Xs.5.1.2.2 Cause• An internal failure of the ADAHRS.5.1.2.3 Workaround (if any)• None – refer to backup instruments.5.1.2.4 Corrective Action• If in-flight, refer to backups for remainder of flight and do not attempt to regainADAHRS data by power cycling the PFD.• Remove and replace the PFD and if contacting Avidyne Customer Service (contactinfo here), provide the modification number as marked on the TSO sticker, the unitserial number and the software version number, if known.P/N 600-00103-000 Rev: Draft 00-F Date: 12/04/03Page 28 of 47