99124921
CONTROL VALVE
Specifications
- Part Number
- 99124921
- Manufacturer
- TEXTRON
- ATA ChapterMaintenance system chapter
- 21 — Air Conditioning
- CapabilitySystem area (hydraulics, avionics, landing gear…)
- Hydraulics
- Inventory ClassRotable, expendable, or consumable
- Rotable
- Certification
- —
- Aircraft Category
- Commercial-Transport
- Criticality
- High
Service Reliabilityfrom FAA SDR (Service Difficulty Reports)
80%
Scrap Propensity (SDR-derived)
- SDR reports
- 5
- Replace events
- 4
- Repair events
- 1
- K-code events
- 0
Reporting window 2012-07-24 – 2025-12-06Dominant chapter ATA 21
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(6)
Data Sources(1)
- 2026-03-07
Quick Facts
Airframes6 applicable
AlternatesNone recorded
ClassRotable
CriticalityHigh
CategoryCommercial-Transport
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