AD/TB20/25 - Autopilot Master Switch

COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY

SCHEDULE OF AIRWORTHINESS DIRECTIVES

Aerospatiale (Socata) TB20 (Trinidad) Series Aeroplanes

AD/TB20/25 Autopilot Master Switch 2/92

All TB20 and TB21 with S/No’s 275 thru 1222 fitted with one of the following options: 668, G668, 669, G669, 670 or G670.

Action in accordance with Aerospatiale SOCATA Service Bulletin No 60.

DGAC AD 91-145A refers.

Prior to the next Maintenance Release after 28 February 1992.

To reduce the risk of a short circuit at the “A/P Master” switch.