821501
COMPRESSOR WHEEL
Specifications
- Part Number
- 821501
- Manufacturer
- Boeing
- ATA ChapterMaintenance system chapter
- 72 — Engine - Turbine / TurbopropField reports: 72 (100%) — 2 reports
- CapabilitySystem area (hydraulics, avionics, landing gear…)
- Engine Accessories
- Inventory ClassRotable, expendable, or consumable
- —
- Certification
- —
- Aircraft Category
- Unknown
- Criticality
- Critical & Life-Limited
- Life & ShelfTypical service/shelf life — verify against OEM data
- —
Service Reliabilityfrom FAA SDR (Service Difficulty Reports)
—
Component-change rate (FAA K-code)
- SDR reports
- 2
- Replace events
- 2
- Repair events
- 0
- K-code events
- 2
Reporting window 2004-02-03 – 2005-01-19Dominant chapter ATA 72
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
ClassUnknown
CriticalityCritical & Life-Limited
CategoryNarrow & wide-body
Know your business mix?
Upload your part numbers and get instant analytics — airframe breakdown, ATA depth, PMA concentration, and more.
Analyze my parts →