4639003007
TRANSMISSION
Specifications
- Part Number
- 4639003007
- Manufacturer
- Airbus
- ATA ChapterMaintenance system chapter
- 65 — Tail Rotor Drive
- CapabilitySystem area (hydraulics, avionics, landing gear…)
- Structures
- Inventory ClassRotable, expendable, or consumable
- Rotable
- Certification
- OEM
- Aircraft Category
- Unknown
- Criticality
- Critical
Service Reliabilityfrom FAA SDR (Service Difficulty Reports)
89%
Scrap Propensity (SDR-derived)
- SDR reports
- 13
- Replace events
- 8
- Repair events
- 1
- K-code events
- 2
Reporting window 1998-02-19 – 2018-02-26Dominant 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)
- 2026-03-07
Quick Facts
Airframes1 applicable
AlternatesNone recorded
ClassRotable
CriticalityCritical
CategoryUnknown
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