234D22004
TRANSMISSION
Specifications
- Part Number
- 234D22004
- Manufacturer
- Boeing
- ATA ChapterMaintenance system chapter
- 63 — Main Rotor Drive(s)
- CapabilitySystem area (hydraulics, avionics, landing gear…)
- Engine Accessories
- Inventory ClassRotable, expendable, or consumable
- Rotable
- Certification
- OEM
- Aircraft Category
- Military
- Criticality
- Critical & Life-Limited
Service Reliabilityfrom FAA SDR (Service Difficulty Reports)
33%
Component-change rate (FAA K-code)
- SDR reports
- 3
- Replace events
- 1
- Repair events
- 0
- K-code events
- 1
Reporting window 2018-06-30 – 2019-05-27Dominant chapter ATA 63
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(2)
Data Sources(1)
- 2026-03-07
Quick Facts
Airframes2 applicable
AlternatesNone recorded
ClassRotable
CriticalityCritical & Life-Limited
CategoryMilitary
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