83990168
SWITCH
Specifications
- Part Number
- 83990168
- Manufacturer
- EMB
- ATA ChapterMaintenance system chapter
- 78 — ExhaustField reports: 78 (100%) — 20 reports
- CapabilitySystem area (hydraulics, avionics, landing gear…)
- Electromechanical
- Inventory ClassRotable, expendable, or consumable
- —
- Certification
- —
- Aircraft Category
- Regional
- Criticality
- Unknown
- Life & ShelfTypical service/shelf life — verify against OEM data
- —
Service Reliabilityfrom FAA SDR (Service Difficulty Reports)
100%
Scrap Propensity (SDR-derived)
- SDR reports
- 20
- Replace events
- 20
- Repair events
- 0
- K-code events
- 0
Reporting window 2004-04-21 – 2019-11-01Dominant 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(1)
Alternate / Related Part Numbers(1)
83-990-168MITpma replacement
Data Sources(1)
- 2026-03-07
Quick Facts
Airframes1 applicable
Alternates1 found
ClassUnknown
CriticalityUnknown
CategoryRegional
Know your business mix?
Upload your part numbers and get instant analytics — airframe breakdown, ATA depth, PMA concentration, and more.
Analyze my parts →