Document ID: chunk:federal_register_of_legislation:F2006B02212:body:0
Version: federal_register_of_legislation:F2006B02212
Segment Type: other
Provision Reference: 
Character Range: 0–3003

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

    Ayres Thrush (Snow) Commander Series Aeroplanes

AD/AC-SNOW/21 Vertical Tail Attachment Bracket 1/94

    Applicability: Models Serial Numbers

               S2R 5000 through 5099, 1380R, and 1416R through 2583R

               S2R-R1340 R1340-001 through R1340-030 (with or without DC suffix) S2R-R3S              R3S-001 through R3S-011 (with or without DC suffix) S2R-R1820              R1820-001 through R1820-035 (with or without DC suffix) S2R-T11              T11-001 through T11-005 (with or without DC suffix)
                           S2R-T15 T15-001 through T15-029 (with or without DC suffix) and T27- 001 through T27-029,, and T27-031 (with or without DC suffix)

               S2R-T34 6000 through 6049, T34-001 through T34-180, T34-190, T34-
                           191, and T34-192 (with or without DC suffix) T36-001 through T36-180 (with or without DC suffix); and T41-001 through T41- 180 (with or without DC suffix)

               S2R-T45 T45-001 through T45-003 (with or without DC suffix) S2R-T65              T65-001 (with or without DC suffix)
               S2R-HG-T65  T65-002 through T65-010 (with or without DC suffix) S2RG6              G6-101 through G6-112
               S2R-G10 G10-101

                 Requirement: 1. Inspect the bracket that attaches the vertical tail front spar to the horizontal stabiliser for damage (cracks, broken lugs or bolts, or elongated holes) in accordance with the Accomplishment Instructions: I. Inspection, section of Ayres Service Bulletin SB-AG-32.

                 If any damage is found to the bracket during the inspection specified above, replace the bracket with an aluminium bracket, part number 40301T007, and install a new close out plate, part number 40309T003, in accordance with the Accomplishment Instructions: II. Repair, section of Ayres Service Bulletin SB-AG-32.

                 2. Replace the bracket with an aluminium bracket, part number 40301T007, and install a new close out plate, part number 40309T003, in accordance with Accomplishment Instructions: II. Repair, section of Ayres Service Bulletin SB-AG-32.
 COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY
 SCHEDULE OF AIRWORTHINESS DIRECTIVES

             The replacement may be accomplished instead of the inspection specified in Requirement 1 of this Directive provided it is accomplished at or prior to the 50 hours' time in service compliance time.

           Note: FAA AD 93-20-05 Amdt 39-8713 refers.

 Compliance: 1. Within 50 hours' time in service after 6 January 1994.

             2. Unless already accomplished, within 100 hours' time in service after 6 January 1994.

           Background: There have been reports of broken lugs or bolts on the vertical tail attachment bracket on a significant number of aircraft.