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Airworthiness Directive 2018-27137

recurring
AD 2018-27137 · 2018-12-18 · airframe

Airworthiness Directives; Airbus Helicopters Deutschland GmbH Helicopters (Type Certificate Previously Held by Eurocopter Deutschland GmbH)

What this AD requires

We are revising Airworthiness Directive (AD) 2014-05-06 for Eurocopter Deutschland GmbH Model EC135 and MBB-BK 117C-2 helicopters. AD 2014-05-06 required repetitive inspections of the flight-control bearings, replacing any loose bearings with airworthy flight-control bearings, and installing bushings and washers. This new AD retains the requirements of AD 2014-05-06 but removes the repetitive inspections. The actions of this AD are intended to correct an unsafe condition on these products.

Repetitive inspection. Re-inspect. The next-due date/hours depend on this aircraft’s time in service — a records report computes it from the logbooks.

Which aircraft AD 2018-27137 applies to

MakesAirbus Helicopters Deutschland Gmbh
ModelsEC135 P1, EC135 P2, EC135 P2+, EC135 T1, EC135 T2, EC135 T2+, MBB-BK 117C-2, EC135, MBB-BK 117
Serial-conditional — narrows to serials 0005–00829, 9004–9310.
Part-conditional — L672M2802205, L672M1012212, L671M1005250, L671M2020108, L671M5040207, B672M1007101, B672M1807101, B672M1002202.

Applies to (1) EC135 P1/P2/P2+/T1/T2/T2+ helicopters, S/N 0005-00829, with tail rotor control lever P/N L672M2802205 or L672M1012212, cyclic control lever P/N L671M1005250, collective control lever assembly P/N L671M2020108, or collective control plate P/N L671M5040207 installed; and (2) MBB-BK 117C-2 helicopters, S/N 9004-9310, with tail rotor control lever assembly P/N B672M1007101 or B672M1807101, tail rotor control lever P/N B672M1002202 or L672M2802205, or lateral control lever assembly P/N B670M1008101 installed.

Whether AD 2018-27137 actually applies to your aircraft (by serial and installed parts) and whether it’s already complied with comes from that aircraft’s records.

How AD compliance is recorded

A valid compliance record (14 CFR 43.9) states:

Method of compliance — The specific action taken (inspected, replaced, modified) and to what revision.
Date — When the work was done.
Aircraft time — Total time in service / tach at compliance — how recurring next-due is computed.
Signature & certificate — The A&P/IA who returned it to service, with certificate number.
Is AD 2018-27137 complied with on your aircraft?

Tailplate reads a tail number’s logbooks and matches every applicable AD — including this one — to its compliance evidence, with recurring next-due dates computed.

Look up a tail number →Read the full directive (Federal Register)

Applicability is derived from the FAA directive corpus and is advisory, not a legal airworthiness determination. Compliance is established only from an aircraft’s actual records.