UKN
CONTROLLER
Specifications
- Part Number
- UKN
- Manufacturer
- Boeing
- ATA ChapterMaintenance system chapter
- 32 — Landing Gear
- CapabilitySystem area (hydraulics, avionics, landing gear…)
- Avionics / Electronics
- Inventory ClassRotable, expendable, or consumable
- Rotable
- Certification
- OEM
- Aircraft Category
- Unknown
- Criticality
- Unknown
- Life & ShelfTypical service/shelf life — verify against OEM data
- —
Service Reliabilityfrom FAA SDR (Service Difficulty Reports)
89%
Scrap Propensity (SDR-derived)
- SDR reports
- 10
- Replace events
- 8
- Repair events
- 1
- K-code events
- 3
Reporting window 2002-09-29 – 2021-11-30Dominant 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(5)
Data Sources(1)
- 2026-03-07
Quick Facts
Airframes5 applicable
AlternatesNone recorded
ClassRotable
CriticalityUnknown
CategoryMulti-platform
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