QB0639
Avionics Filter
Specifications
- Part Number
- QB0639
- Manufacturer
- —
- ATA ChapterMaintenance system chapter
- 28 — FuelField reports: 21 (100%) — 2 reports
- CapabilitySystem area (hydraulics, avionics, landing gear…)
- Fuel Systems
- Inventory ClassRotable, expendable, or consumable
- —
- Certification
- OEM
- Aircraft Category
- —
- Criticality
- —
- 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
- 0
Reporting window 2002-03-26 – 2002-06-18Dominant 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(3)
Alternate / Related Part Numbers(1)
21FA312Gpma replacement
Data Sources(1)
- 2026-05-18Pma Oem Expansion
Quick Facts
Airframes3 applicable
Alternates1 found
ClassUnknown
CriticalityUnknown
CategoryNarrow-body
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