21EN96
DOWNLOCK SWITCH
Specifications
- Part Number
- 21EN96
- Manufacturer
- Honeywell
- ATA ChapterMaintenance system chapter
- 32 — Landing Gear
- CapabilitySystem area (hydraulics, avionics, landing gear…)
- Electromechanical
- Inventory ClassRotable, expendable, or consumable
- Expendable
- Certification
- OEM
- Aircraft Category
- Unknown
- Criticality
- Critical
Service Reliabilityfrom FAA SDR (Service Difficulty Reports)
22%
Scrap Propensity (SDR-derived)
- SDR reports
- 14
- Replace events
- 2
- Repair events
- 7
- K-code events
- 0
Reporting window 1995-11-01 – 2018-05-29Dominant chapter ATA 32
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(3)
Data Sources(1)
- 2026-03-07
Quick Facts
Airframes3 applicable
AlternatesNone recorded
ClassExpendable
CriticalityCritical
CategoryUnknown
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