1721F4
SENSOR
Specifications
- Part Number
- 1721F4
- Manufacturer
- Rosemount Aerospace
- ATA ChapterMaintenance system chapter
- 38 — Water / Waste
- CapabilitySystem area (hydraulics, avionics, landing gear…)
- Instruments
- Inventory ClassRotable, expendable, or consumable
- Rotable
- Certification
- OEM
- Aircraft Category
- Multi-Category
- Criticality
- Critical
Service Reliabilityfrom FAA SDR (Service Difficulty Reports)
—
Component-change rate (FAA K-code)
- SDR reports
- 2
- Replace events
- 2
- Repair events
- 0
- K-code events
- 0
Reporting window 2021-05-17 – 2025-07-23Dominant chapter ATA 38
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(13)
Data Sources(1)
- 2026-03-07
Quick Facts
Airframes13 applicable
AlternatesNone recorded
ClassRotable
CriticalityCritical
CategoryMulti-Category
Know your business mix?
Upload your part numbers and get instant analytics — airframe breakdown, ATA depth, PMA concentration, and more.
Coming Soon