A1843
BEARING
Specifications
- Part Number
- A1843
- Manufacturer
- ROBSIN
- ATA ChapterMaintenance system chapter
- 63 — Main Rotor Drive(s)
- CapabilitySystem area (hydraulics, avionics, landing gear…)
- Flight Controls
- Inventory ClassRotable, expendable, or consumable
- Expendable
- Certification
- PMA
- Aircraft Category
- General-Aviation
- Criticality
- Critical
Service Reliabilityfrom FAA SDR (Service Difficulty Reports)
100%
Scrap Propensity (SDR-derived)
- SDR reports
- 3
- Replace events
- 3
- Repair events
- 0
- K-code events
- 3
Reporting window 1999-09-01 – 2022-08-10Dominant 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
ClassExpendable
CriticalityCritical
CategoryGeneral-Aviation
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