Document ID: chunk:federal_register_of_legislation:F2005L02406:body:0:p1
Version: federal_register_of_legislation:F2005L02406
Segment Type: other
Provision Reference: 
Character Range: 0–8264

AIRWORTHINESS DIRECTIVE
For the reasons set out in the background section, the CASA delegate whose signature appears below issues the following Airworthiness Directive (AD) under subregulation 39.001(1) of CASR 1998.  The AD requires that the action set out in the requirement section (being action that the delegate considers necessary to correct the unsafe condition) be taken in relation to the aircraft or aeronautical product mentioned in the applicability section: (a) in the circumstances mentioned in the requirement section; and (b) in accordance with the instructions set out in the requirement section; and (c) at the time mentioned in the compliance section.

Gulfstream (Grumman) G1159 and G-IV Series Aeroplanes
AD/G1159/44  Adel Wiggins Floor Heater Pad System  11/2005 DM

Applicability:  Gulfstream Aerospace Corporation model/series aeroplanes as follows:
                    Model/Series                                                                                                                                                                                                                                                                                                                              Serial Numbers

                    G-IV                                                                                                                                                                                                                                                                                                                                      All
                    GIV-X                                                                                                                                                                                                                                                                                                                                     4001 through 4023 inclusive
                    GV                                                                                                                                                                                                                                                                                                                                        All
                    GV-SP                                                                                                                                                                                                                                                                                                                                     5001 through 5075 inclusive
Requirement:       1. Perform an inspection to determine if an Adel Wiggins floor heater pad system is installed.  A review of aeroplane maintenance records is acceptable in lieu of this inspection if the presence of Adel Wiggins floor heater pads can be conclusively determined from that review.
                   2. If an Adel Wiggins floor heater pad system is found during the Requirement 1 inspection/determination - deactivate the Adel Wiggins floor heater pad system in accordance with the Accomplishment Instructions of the applicable Alert Customer Bulletin (ACB) identified below, unless Requirement 3 applies.
                    Model/Series                                                                                                                                                                                                                                                                                                                          ACB, including Gulfstream        Date
                                                                                                                                                                                                                                                                                                                                                          drawing 1159SB50018

                    G-IV
                    GV                                                                                                                                                                                                                                                                                                                                              G-IV ACB 33            13 June 2005
                    G-IV (G300)                                                                                                                                                                                                                                                                                                                                    GV ACB 22               13 June 2005
                    GIV-X (G350                                                                                                                                                                                                                                                                                                                                    G300 ACB 33             13 June 2005
                    G-IV (G400)                                                                                                                                                                                                                                                                                                                                    G350 ACB 2              13 June 2005
                    GIV-X (G450)                                                                                                                                                                                                                                                                                                                                   G400 ACB 33             13 June 2005
                    GV-SP (G500)                                                                                                                                                                                                                                                                                                                                   G450 ACB 2              13 June 2005
                    GV-SP (G550)                                                                                                                                                                                                                                                                                                                                   G500 ACB 3              13 June 2005
                                                                                                                                                                                                                                                                                                                                                                   G550 ACB 3              13 June 2005
                   3. For any aeroplane that is found to have an Adel Wiggins floor heater pad system installed but is not listed in the effectivity block of Gulfstream Drawing 1159SB50018, deactivate the Adel Wiggins floor heater pad system in accordance with a method approved by the Manager, Atlanta Aircraft Certification Office (ACO), FAA.

             Note 1:  For details of deactivation method approved by the Atlanta FAA ACO contact Gulfstream Customer Support on +1 912-965-4178 for assistance.
             Note 2:  FAA AD 2005-16-14 Amdt 39-14220 refers.
Compliance:  For Requirements 1, 2 and 3 - Within 25 flight hours or 30 days after the effective date of this Directive, whichever occurs first.
             This Airworthiness Directive becomes effective on 2 September 2005.
Background:  The United States Federal aviation Administration has received a report of an incident in which an Adel Wiggins floor heater pad system short-circuited on a Gulfstream GV-SP series aeroplane.  The short-circuit was