B4678
CHIP DETECTOR
Specifications
- Part Number
- B4678
- Manufacturer
- —
- ATA ChapterMaintenance system chapter
- 63 — Main Rotor Drive(s)Field reports: 63 (100%) — 4 reports
- CapabilitySystem area (hydraulics, avionics, landing gear…)
- Instruments
- Inventory ClassRotable, expendable, or consumable
- Expendable
- Certification
- unknown
- Aircraft Category
- Unknown
- Criticality
- Standard
- Life & ShelfTypical service/shelf life — verify against OEM data
- —
Service Reliabilityfrom FAA SDR (Service Difficulty Reports)
0%
Component-change rate (FAA K-code)
- SDR reports
- 4
- Replace events
- 1
- Repair events
- 1
- K-code events
- 0
Reporting window 1999-01-14 – 2003-08-22Dominant chapter ATA 63
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
ClassExpendable
CriticalityStandard
CategoryUnknown
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