640934
DRIVE ASSY
Specifications
- Part Number
- 640934
- Manufacturer
- —
- ATA ChapterMaintenance system chapter
- 24 — Electrical PowerField reports: 24 (100%) — 3 reports
- CapabilitySystem area (hydraulics, avionics, landing gear…)
- Structures
- Inventory ClassRotable, expendable, or consumable
- Rotable
- Certification
- OEM
- Aircraft Category
- Unknown
- Criticality
- Standard
- Life & ShelfTypical service/shelf life — verify against OEM data
- —
Service Reliabilityfrom FAA SDR (Service Difficulty Reports)
67%
Component-change rate (FAA K-code)
- SDR reports
- 3
- Replace events
- 1
- Repair events
- 1
- K-code events
- 2
Reporting window 1996-02-22 – 1997-07-29Dominant chapter ATA 24
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(2)
Alternate / Related Part Numbers(1)
AEC646655pma replacement
Data Sources(1)
- 2026-03-07
Quick Facts
Airframes2 applicable
Alternates1 found
ClassRotable
CriticalityStandard
CategoryGeneral aviation
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