21179662
CONTROLLER
Specifications
- Part Number
- 21179662
- Manufacturer
- HNYWL
- ATA ChapterMaintenance system chapter
- 21 — Air Conditioning
- CapabilitySystem area (hydraulics, avionics, landing gear…)
- Avionics / Electronics
- Inventory ClassRotable, expendable, or consumable
- Rotable
- Certification
- OEM
- Aircraft Category
- Unknown
- Criticality
- Unknown
Service Reliabilityfrom FAA SDR (Service Difficulty Reports)
100%
Scrap Propensity (SDR-derived)
- SDR reports
- 6
- Replace events
- 6
- Repair events
- 0
- K-code events
- 2
Reporting window 1996-12-06 – 2025-02-09Dominant 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(2)
Data Sources(1)
- 2026-03-07
Quick Facts
Airframes2 applicable
AlternatesNone recorded
ClassRotable
CriticalityUnknown
CategoryUnknown
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