4639311043

BEVEL GEAR TOOTH

OEM

Specifications

Part Number
4639311043
Manufacturer
ATA ChapterMaintenance system chapter
65 — Tail Rotor DriveField reports: 65 (100%) — 3 reports
CapabilitySystem area (hydraulics, avionics, landing gear…)
Electromechanical
Inventory ClassRotable, expendable, or consumable
Rotable
Certification
OEM
Aircraft Category
Unknown
Criticality
Critical & Life-Limited
Life & ShelfTypical service/shelf life — verify against OEM data

Service Reliabilityfrom FAA SDR (Service Difficulty Reports)

100%
Scrap Propensity (SDR-derived)
low confidence
SDR reports
3
Replace events
3
Repair events
0
K-code events
3
Reporting window 1996-07-081998-01-06Dominant 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.

Airframe Applicability(1)

Data Sources(1)

Quick Facts

Airframes1 applicable
AlternatesNone recorded
ClassRotable
CriticalityCritical & Life-Limited
CategoryUnknown

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