COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY
SCHEDULE OF AIRWORTHINESS DIRECTIVES
Beechcraft 55, 58 and 95-55 (Baron) Series Aeroplanes
AD/BEECH 55/84 Inspection for Flight Control
Interference with Wiring
Applicability: This Directive is applicable to the following aircraft:
Model Serial Numbers
7/99 DM
58 and 58A TH-1806 through TH-1840 inclusive, TH-1842 through TH-1854 inclusive, TH-1856, TH-1860 through TH-1867 inclusive, and TH-1870.
Requirement: Unless previously accomplished;
- 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.