840504
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Specifications
- Part Number
- 840504
- Manufacturer
- Cessna
- ATA ChapterMaintenance system chapter
- 27 — Flight Controls
- CapabilitySystem area (hydraulics, avionics, landing gear…)
- Electromechanical
- Inventory ClassRotable, expendable, or consumable
- Expendable
- Certification
- OEM
- Aircraft Category
- General_aviation
- Criticality
- Standard
Service Reliabilityfrom FAA SDR (Service Difficulty Reports)
9%
Component-change rate (FAA K-code)*
* Structural ATA chapter (52). Verb-based propensity is suppressed because "REPAIRED" in the SDR text typically refers to the airframe being repaired around the part, not the part itself. FAA K-code component-change rate is the honest signal.
- SDR reports
- 11
- Replace events
- 6
- Repair events
- 2
- K-code events
- 1
Reporting window 1999-03-25 – 2025-09-27Dominant chapter ATA 52
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
CriticalityStandard
CategoryGeneral_aviation
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