Document ID: chunk:federal_register_of_legislation:F2006B09683:body:0
Version: federal_register_of_legislation:F2006B09683
Segment Type: other
Provision Reference: 
Character Range: 0–1582

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

 Fokker F27 Series Aeroplanes

 AD/F27/115
 Amdt 1

 Wing Structure - Skin Splice WS 7915 12/88
DM

            Applicability: All models S/Nos 10346 to 10692 excepting 10685 and 10688, also S/Nos 10105 to 10345 if fitted with outerwing S/No 246 or subsequent.

 Requirement: 1. Restrict Vb for:

                1. MTOW 14969 kg (33000 lb) and greater to 165 knots IAS.

               b.    MTOW below 14969 kg (33000 lb), down to 13600 kg (30000 lb); Vb decreases linearly with aircraft MTOW from 165 knots IAS to 161 knots IAS.

2.    Inspect the splice components at Wing Station 7915 in accordance with Fokker SB F27/57-63 Part 1.

3.    Modify any unsatisfactory splice components in accordance with Fokker SB F27/57-63 Part 2.

            Note 1: Speed restrictions may be achieved by placing placards adjacent to ASI's and including a Temporary Change into the Flight Manual.

            Flight Manual amendment is available from the appropriate regional office of the Authority.

            Note 2: RLD AD 88-55 issue 3 refers.

 Compliance: 1. Before further flight after 30 September 1988.

2.    Before 01 March 1989.

             3.    Before 01 September 1989.

            Background: The upper and lower wing skin panels at Wing Station 7915 may have been subject to incorrect heat treatment and consequently are below design strength. Amendment 1 increases the Applicability and specifies terminating action.