Defect Report #8 : Airborne XT-582 - Part No. 106910 Bracket Intake Silencer XT582 Rear.
Aircraft Type: Airborne XT-582
Inspection recommended - Prior to next flight and subsequently after every flight. The bracket needs to be thoroughly inspected for cracks.
Defect: Reports of cracking of the air intake silencer rear mounting bracket. Airborne have increase the length of the bracket as the original one was too short.
If cracking is found, please contact Airborne directly.
Resolved: Airborne have increased the length of the bracket.
Defect Report #7 : Airborne XT-912 - Engine/oil cooler mount brackets.
Aircraft Type: Airborne XT-912B
Inspection recommended - Prior to next flight and subsequently after every flight. The brackets needs to be thoroughly inspected for cracks.
Defect: Reports of cracking of the engine/cooler mounting brackets where the nut has been tightened onto a step in the bracket causing undue stress in that location.
If cracking is found, please file a WM Defect Report on the HGFA website.
Airborne have been made aware of this issue and are supplying replacement brackets.
The engine mount bolts torque value will be added to their next manual update.
Please be aware that when installing the new Engine Brackets, the following Torques need to be applied:
Top Link bolt (part number 105515): 6mm bolt. Torque 10Nm
Engine mount bolts (part number: 105944) x 4: 10mm bolt. Torque 50Nm, apply Loctite 243
For specific torques on oil cooler fittings and exhaust manifold refer to Rotax 912 Illustrated Parts Catalogue.
Reinstallation of exhaust components should be done iaw the Aircraft Maintenance Manual, taking care to tighten the manifold nuts evenly to ensure that no stress is put on the manifold, which could induce cracking.
Defect Report #6 : Airborne XT-912 - Plastic Fuel-cock handle.
Aircraft Type: Airborne XT-912 Rotax 80hp
Inspection recommended - Prior to next flight, carry out a functional check of the fuel cock as part of pre-flight inspection. Remove and inspect handle for rounding or cracking.
Defect: Fuel shut off valve handle was moved from off to on position and on engine start up the engine ran for 10 to 12 sec before it shut down. Inspection found the fuel shut off valve was in the "off" position whilst the handle showed the "on" position.
If rounding or cracking is found, please file a WM Defect Report on the HGFA website.
Airborne have been made aware of this issue and we await their response. We will publish findings/corrective action when received.