AD/BEECH 90/93 - Inspection for Flight Control Interference with Wiring (Cth)

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

Beechcraft 90 and 65-90 (King Air) Series Aeroplanes

AD/BEECH 90/93 Inspection for Flight Control Interference with Wiring

Applicability: This Directive is applicable to the following aircraft

Model Serial Numbers

7/99 DM

C90A LJ-1459 through LJ-1504 inclusive, LJ-1506 through LJ-1523 inclusive, and LJ-1525 through LJ-1530 inclusive.

Requirement: Unless previously accomplished;

1. Inspect for interference or inadequate clearance between the flight control mechanism and any component located forward of the instrument in accordance with Raytheon Mandatory Service Bulletin (SB) 27-3232 dated March 1999.

2. If interference or inadequate clearance is found during the Requirement 1 inspection then secure all components clear of the flight control mechanisms in accordance with SB 27-3232.

Note 1. If Raytheon Safety Communiqué No 149 dated August 1998 or No 149 Rev 1 dated November 1998 has been carried out no further action is required.

Note 2. FAA AD 99-09-15 refers.

Compliance: 1. Within 25 hours' time in service after 19 May 1999.

2. Prior to further flight after inspection

This Airworthiness Directive becomes effective on 19 May 1999.

Background: There has been a reported incident were a Raytheon Beech Model 1900 aeroplane temporarily lost aileron and elevator control when the control column became restricted. Upon investigation the cause was found to be electrical/avionics wiring located forward of the instrument panel entangled in the flight control system "T" column.