503381-1
core speed sensor
Specifications
- Part Number
- 503381-1
- Manufacturer
- unison apc
- ATA ChapterMaintenance system chapter
- 20 — Standard Practices - AirframeField reports: 77 (100%) — 1 report
- CapabilitySystem area (hydraulics, avionics, landing gear…)
- Consumables / Hardware
- Inventory ClassRotable, expendable, or consumable
- Consumable
- Certification
- unknown
- Aircraft Category
- Unknown
- Criticality
- Standard
- Life & ShelfTypical service/shelf life — verify against OEM data
- —
Service Reliabilityfrom FAA SDR (Service Difficulty Reports)
—
Component-change rate (FAA K-code)
- SDR reports
- 1
- Replace events
- 1
- Repair events
- 0
- K-code events
- 0
Reporting window 2026-04-15 – 2026-04-15Dominant chapter ATA 77
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
No source records linked.
Quick Facts
Airframes1 applicable
AlternatesNone recorded
ClassConsumable
CriticalityStandard
CategoryUnknown
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