51G859U1600U
HEAT EXCHANGER
Specifications
- Part Number
- 51G859U1600U
- Manufacturer
- PWA
- ATA ChapterMaintenance system chapter
- 79 — Oil
- CapabilitySystem area (hydraulics, avionics, landing gear…)
- Environmental / Cabin
- Inventory ClassRotable, expendable, or consumable
- Rotable
- Certification
- —
- Aircraft Category
- Commercial-Transport
- Criticality
- High
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 2012-10-18 – 2025-10-26Dominant chapter ATA 79
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(7)
Data Sources(1)
- 2026-03-07
Quick Facts
Airframes7 applicable
AlternatesNone recorded
ClassRotable
CriticalityHigh
CategoryCommercial-Transport
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