83990137
SWITCH
Specifications
- Part Number
- 83990137
- Manufacturer
- EMB
- ATA ChapterMaintenance system chapter
- 78 — Exhaust
- CapabilitySystem area (hydraulics, avionics, landing gear…)
- Electromechanical
- Inventory ClassRotable, expendable, or consumable
- Expendable
- Certification
- OEM
- Aircraft Category
- Regional
- Criticality
- Standard
Service Reliabilityfrom FAA SDR (Service Difficulty Reports)
80%
Scrap Propensity (SDR-derived)
- SDR reports
- 7
- Replace events
- 4
- Repair events
- 1
- K-code events
- 0
Reporting window 2000-08-25 – 2005-12-23Dominant chapter ATA 78
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)
Alternate / Related Part Numbers(1)
83-990-168MITpma replacement
Data Sources(1)
- 2026-03-07
Quick Facts
Airframes2 applicable
Alternates1 found
ClassExpendable
CriticalityStandard
CategoryRegional
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