05K21104
CYLINDER HEAD
Specifications
- Part Number
- 05K21104
- Manufacturer
- LYC
- ATA ChapterMaintenance system chapter
- 85 — Reciprocating Engine
- CapabilitySystem area (hydraulics, avionics, landing gear…)
- unknown
- Inventory ClassRotable, expendable, or consumable
- Expendable
- Certification
- —
- Aircraft Category
- Unknown
- Criticality
- Standard
Service Reliabilityfrom FAA SDR (Service Difficulty Reports)
95%
Scrap Propensity (SDR-derived)
- SDR reports
- 27
- Replace events
- 19
- Repair events
- 1
- K-code events
- 16
Reporting window 2008-04-25 – 2021-07-19Dominant 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
ClassExpendable
CriticalityStandard
CategoryUnknown
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