109044006105

CASE

OEM

Specifications

Part Number
109044006105
Manufacturer
ATA ChapterMaintenance system chapter
65 — Tail Rotor Drive
CapabilitySystem area (hydraulics, avionics, landing gear…)
unknown
Inventory ClassRotable, expendable, or consumable
Expendable
Certification
OEM
Aircraft Category
Unknown
Criticality
Standard

Service Reliabilityfrom FAA SDR (Service Difficulty Reports)

Component-change rate (FAA K-code)
low confidence
SDR reports
1
Replace events
0
Repair events
0
K-code events
0
Reporting window 2018-05-212018-05-21Dominant chapter ATA 65

Directional indicator only. Reflects what operators reported to the FAA when a difficulty was logged — not a fleet-normalized failure rate or a cost-based BER. Use alongside operator-specific data.

Airworthiness Directive coverage

FAA / EASA public regulatory data

3directives reference this part number — recurring compliance demand wherever it flies
Most recent
  • FAAAD 2021-16-06effective Sep 27, 2021ProhibitionNamed as replacement part

    The FAA is superseding Airworthiness Directive (AD) 2020-19-11 for certain Leonardo S.p.a. Model A119 and AW119 MKII helicopters. AD 2020-19-11 required repetitive borescope inspections of the 90-degree tail rotor gearbox (TGB) and depending on the inspection results, removing the TGB from service. This AD was prompted by the determination that additional parts may be susceptible to the unsafe condition. This AD retains the inspection requirements of AD 2020-19-11, and revises the compliance time and applicability. The FAA is issuing this AD to address the unsafe condition on these products.

  • EASAAD 2020-0206effective Oct 14, 2020Mixed actionsNamed as replacement part

    No summary available - see the EASA publication.

  • EASAAD 2018-0156effective Aug 7, 2018Mixed actions

    No summary available - see the EASA publication.

Directives citing this part number in the FAA / EASA regulatory corpus we have processed — not a complete historical AD list. An AD is a compliance requirement that drives scheduled work (inspections, replacements, modifications) on the fleets that carry the part; a directive naming this PN as the replacement part is install demand, not an action against it — and none of this is a prediction that the part will fail.

Airframe Applicability

No airframe data available for this part.

Data Sources(1)

Quick Facts

AirframesUnknown
AlternatesNone recorded
ClassExpendable
CriticalityStandard
CategoryUnknown

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