Airworthiness directives › 2004-13-05
AD 2004-13-05 Airworthiness Directives; Eurocopter Deutschland Model MBB-BK 117 A-1, A-3, A-4, B-1, B-2, and C-1 Helicopters
Applicability*9
Model MBB-BK 117 A-1, A-3, A-4, B-1, and B-2, all serial numbers (S/N), and Model C-1, S/N 7500 through 7545, certificated in any category.
Compliance
Required within 100 hours time in service, unless accomplished previously. To prevent failure of the vertical fin and subsequent loss of control of the helicopter, do the following: (a) Using external calipers, measure the wall thickness, including primer coating, of the skin paneling of the vertical fin at the locations shown in Figure 1 of this AD. Note 1: Eurocopter Deutschland (ECD) Alert Service Bulletin No. ASB-MBB-BK117-30-109, Revision 1, dated July 3, 2003, pertains to the subject of this AD. BILLING CODE 4910-13-P ER25JN04.036 (b) If the wall thickness, including the primer coating, of the paneling is less than 0.778 millimeter (0.03063 inch) at any of the measured locations, replace the vertical fin with an airworthy part before further flight. (c) To request a different method of compliance or a different compliance time for this AD, follow the procedures in 14 CFR 39.19. Contact the Safety Management Group, Rotorcraft Directorate, FAA, for information about previously approved alternative methods of compliance. (d) This amendment becomes effective on July 30, 2004. Note 2: The subject of this AD is addressed in Luftfahrt-Bundesamt (Federal Republic of Germany) AD 2003-219, dated August 21, 2003. Issued in Fort Worth, Texas, on June 16, 2004. David A. Downey, Manager, Rotorcraft Directorate, Aircraft Certification Service. [FR Doc. 04-14318 Filed 6-24-04; 8:45 am] BILLING CODE 4910-13-C
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