Safety Rules & Regs

Air Safety Week, Oct 13, 2008

AIRWORTHINESS DIRECTIVE AD No.: 2008-0184 EUROCOPTER EC 130 helicopters. Engine Controls - Twist Grip Drive Tube - Replacement/ Inspection. The purpose of this AD, which supersedes AD 2006-0079 retaining its requirements, is to replace, in accordance with EUROCOPTER EC 130 Alert Service Bulletin (ASB) No. 76A002, the drive tubes of the concerned twist grips whose P/N and S/N are given in the Compliance section of this AD and to ensure for the remaining twist grips the correct bonding strength of the control pinion on the pilot and co-pilot collective lever drive tubes, in accordance with EUROCOPTER EC 130 Alert Service Bulletin (ASB) No. 76A001 Revision 1.

EMERGENCY AIRWORTHINESS DIRECTIVE. AD No.: 2008-0182-E.Lange Aviation GmbH E1 Antares. DC-DC Converter in the Hydraulic Management Module - Modification. Powered Sailplanes E1 Antares with serial numbers 01 to 03, 06 to 12, 18, 19, 22, 23, 25, 32E30 to 40E38, 42E39, 44E40, 45E41and 901. This AD mandates installation of a fuse in the feeder cable to protect the DC converter and the Hydraulic Management Module and an update of the Airplane Flight Manual (AFM).

NOTIFICATION OF A PROPOSAL TO ISSUE AN AIRWORTHINESS DIRECTIVE. AIRBUS "Corvette" SN 601 aircraft. Doors - Passenger/Crew door - Modification. A Corvette aircraft experienced an air leak at the passenger/crew door level while in cruise, leading to a rapid cabin depressurization. The investigations showed that this depressurization resulted from the combination of inadequate adjustment, deterioration and wear of door mechanism parts. This led the inter- door stops to escape laterally, and subsequently, to air leaking through the gaps induced between the lower and upper doors. ThisAD requires the embodiment of Corvette Service Bulletin No 52-14 which aims to improve the indication of the inter-door hooks position on the passenger/crew door, and to ease the checking operation by the crew.

NOTIFICATION OF A PROPOSAL TO ISSUE AN AIRWORTHINESS DIRECTIVE. Thielert Aircraft Engines TAE125-02-99 Engines. Time Limits / Maintenance Checks - Airworthiness Limitations - Implementation. This EASA AD requires the implementation of the instructions, limitations, inspections and corrective measures as specified in TAE SB TM 125-1008 P1 and in issue 1 revision 2 of the chapter 5 of the OM-02-02.

NOTIFICATION OF A PROPOSAL TO ISSUE AN AIRWORTHINESS DIRECTIVE. ROLLS- ROYCE RB211 Trent 900 series engines. Engine - HP Turbine Nozzle Guide Vane (NGV) Convex Surface - Inspection. Evidence from development testing and flight test Trent 900 engines has identified cracking on some HP Turbine Nozzle Guide Vane (NGV) Convex Surfaces. This Airworthiness Directive is published to require inspection of the HPT NGV Convex Surfaces and, depending on the results, subsequent corrective actions.

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