Continuing airworthiness notices 

Incorrect installation of the stowage tray can result in an undetected gap between the tray and the aft bulkhead through which loose stowed equipment can enter the flight control system.

Precision RSA-10AD1 Fuel Control Unit (FCU) - Possible Fuel Flow Restriction

Stabiliser Hinge Assembly Fasteners - Inspection and Replacement

Control Cable End Fittings – Inspection and Replacement

All tandem parachutes and tandem passenger harnesses.

AS350 Resistance Type Fuel Quantity Indication System (FQIS).

Main Gear Retraction Arms P/N 42042-000 & P/N 42042-002

Cessna 172N & Lycoming O-320-H2AD Crankshaft Bearings

All Cessna 100 and 200 series aircraft.

Control Column Grip

Cessna 150/152 Series Horizontal Stabiliser Spars - Cracks.

MS 21042 and NAS 1291 Series Nuts – Cracks due to Hydrogen Embrittlement

406 MHz Emergency Locator Transmitters (ELT) - Battery Replacement

Microair Avionics T2000SFL Transponders

Cessna 200 Series Horizontal Stabilisers

All Piper aircraft models fitted with a Gascolator (also called a fuel strainer or fuel filter) to separate contaminants from the fuel system.

R44 Engine Exhaust - Cabin Heater System Failures

Rockwell Collins TPR 901 Mode S Transponders P/N 822-1338-003, all S/N

CAR Rule Part 43 Appendix E – ATC Transponder Tests and Inspections

Concern that older EGPWS software versions may result in unannunciated loss of EGPWS function.