D2121
SERVO
Specifications
- Part Number
- D2121
- Manufacturer
- ROBSIN
- ATA ChapterMaintenance system chapter
- 67 — Rotors Flight Control
- CapabilitySystem area (hydraulics, avionics, landing gear…)
- Flight Controls
- Inventory ClassRotable, expendable, or consumable
- Rotable
- Certification
- OEM
- Aircraft Category
- Unknown
- Criticality
- Standard
Service Reliabilityfrom FAA SDR (Service Difficulty Reports)
92%
Scrap Propensity (SDR-derived)
- SDR reports
- 65
- Replace events
- 56
- Repair events
- 5
- K-code events
- 57
Reporting window 2005-12-01 – 2019-07-29Dominant chapter ATA 67
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
CriticalityStandard
CategoryUnknown
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