COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY
SCHEDULE OF AIRWORTHINESS DIRECTIVES
Fokker F50 (F27 Mk 50) Series Aeroplanes
AD/F50/36 Alternate Brake System Cables 9/90
F27 Mark 50 aircraft with S/Nos 20103 through 20181.
Action in accordance with Fokker SB F50-32-006 Rev 1.
RLD BLA 89-063 Issue 2 refers.
Compliance with Part 2 of the Requirement document is considered terminating action for this Directive.
Unless already carried out in the 900 hours time in service prior to 6 September 1990
- Prior to exceeding 100 hours time in service after 6 September 1990 or at the next scheduled inspection for issue of Maintenance Release after 6 September 1990, whichever occurs later, and thereafter at intervals not exceeding 1000 hours time in service, until terminating action is carried out.
Country of origin AD. Excessive cable wear has been experienced which is attributed to a too small pulley radius, cable vibrations and perhaps more frequent use of alternate brakes. Terminating action replaces pulleys.