O540B4B5
ENGINE
Specifications
- Part Number
- O540B4B5
- Manufacturer
- LYC
- ATA ChapterMaintenance system chapter
- 85 — Reciprocating Engine
- CapabilitySystem area (hydraulics, avionics, landing gear…)
- Engine Accessories
- Inventory ClassRotable, expendable, or consumable
- Rotable
- Certification
- OEM
- Aircraft Category
- General-Aviation
- Criticality
- High
Service Reliabilityfrom FAA SDR (Service Difficulty Reports)
—
Component-change rate (FAA K-code)
- SDR reports
- 1
- Replace events
- 0
- Repair events
- 0
- K-code events
- 0
Reporting window 2012-07-23 – 2012-07-23Dominant chapter ATA 85
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(6)
Data Sources(1)
- 2026-03-07
Quick Facts
Airframes6 applicable
AlternatesNone recorded
ClassRotable
CriticalityHigh
CategoryGeneral-Aviation
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