21SN4152

PRESSURE SWITCH

Specifications

Part Number
21SN4152
Manufacturer
Eaton
ATA ChapterMaintenance system chapter
30 — Ice and Rain Protection
CapabilitySystem area (hydraulics, avionics, landing gear…)
Electromechanical
Inventory ClassRotable, expendable, or consumable
—
Certification
—
Aircraft Category
Unknown
Criticality
Standard

Service Reliabilityfrom FAA SDR (Service Difficulty Reports)

100%
Scrap Propensity (SDR-derived)
medium confidence
SDR reports
14
Replace events
11
Repair events
0
K-code events
0
Reporting window 2002-06-30 – 2026-03-06Dominant chapter ATA 30

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(8)

737-300737-700737-800King Air 200737-100King Air 300737747

Data Sources(1)

Quick Facts

Airframes8 applicable
AlternatesNone recorded
ClassUnknown
CriticalityStandard
CategoryUnknown

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