74449

LIGHT

Specifications

Part Number
74449
Manufacturer
Saab
ATA ChapterMaintenance system chapter
33 — Lights
CapabilitySystem area (hydraulics, avionics, landing gear…)
Electromechanical
Inventory ClassRotable, expendable, or consumable
—
Certification
—
Aircraft Category
Regional
Criticality
Standard

Service Reliabilityfrom FAA SDR (Service Difficulty Reports)

100%
Scrap Propensity (SDR-derived)
low confidence
SDR reports
7
Replace events
7
Repair events
0
K-code events
7
Reporting window 2002-01-07 – 2017-09-18Dominant chapter ATA 33

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(3)

ERJ-145C340Saab 340

Data Sources(1)

Quick Facts

Airframes3 applicable
AlternatesNone recorded
ClassUnknown
CriticalityStandard
CategoryRegional

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