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Airworthiness Directive 2000-01-19

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Official AD 2000-01-19 · FR doc 00-1369 · 2000-01-25 · airframe

Airworthiness Directives; Eurocopter Deutschland GMBH Model EC 135 P1 and EC 135 T1 Helicopters

What this AD requires

This amendment adopts a new airworthiness directive (AD) applicable to Eurocopter Deutschland GMBH (ECD) Model EC 135 P1 and EC 135 T1 helicopters. This action requires inspecting main rotor expansion bolt safety wires, bolt heads, and bolt nuts; replacing any unairworthy expansion bolt with a hexagon bolt; and, as necessary, replacing any bolt nut before further flight. This AD also requires replacing each expansion bolt, regardless of condition, no later than January 31, 2000. This amendment is prompted by reports of main rotor blade expansion bolt nuts becoming loose. This condition, if not corrected, could result in severe vibration during flight and subsequent loss of control of the helicopter.

Which aircraft AD 2000-01-19 applies to

MakesEurocopter
ModelsEC135
Part-conditional — L621M1010 223, L621M1010 222.

Inspect main rotor blade expansion bolt safety wire/bolt head/nut per Eurocopter Deutschland (ECD) Alert SB EC 135-62A-005 Rev 1; replace expansion bolt P/N L621M1010 223 with hexagon bolt P/N L621M1010 222 (and nut as necessary) as terminating action.

Whether AD 2000-01-19 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 2000-01-19 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.