14J441
PULLEY
Specifications
- Part Number
- 14J441
- Manufacturer
- Boeing
- ATA ChapterMaintenance system chapter
- 36 — Pneumatic
- CapabilitySystem area (hydraulics, avionics, landing gear…)
- Flight Controls
- Inventory ClassRotable, expendable, or consumable
- Expendable
- Certification
- OEM
- Aircraft Category
- Narrow-Body
- Criticality
- Standard
Service Reliabilityfrom FAA SDR (Service Difficulty Reports)
100%
Scrap Propensity (SDR-derived)
- SDR reports
- 3
- Replace events
- 3
- Repair events
- 0
- K-code events
- 3
Reporting window 2009-07-17 – 2009-07-19Dominant chapter ATA 76
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
ClassExpendable
CriticalityStandard
CategoryNarrow-Body
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