644501

PRINTED CKT BOARD

OEM

Specifications

Part Number
644501
Manufacturer
WHITTAKER
ATA ChapterMaintenance system chapter
26 — Fire Protection
CapabilitySystem area (hydraulics, avionics, landing gear…)
Avionics / Electronics
Inventory ClassRotable, expendable, or consumable
Expendable
Certification
OEM
Aircraft Category
Unknown
Criticality
Standard

Service Reliabilityfrom FAA SDR (Service Difficulty Reports)

100%
Scrap Propensity (SDR-derived)
high confidence
SDR reports
72
Replace events
67
Repair events
0
K-code events
23
Reporting window 1997-05-23 – 2026-05-06Dominant chapter ATA 26

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(9)

757-200757-300747-400767-200767-300King Air 300747757767

Data Sources(1)

Quick Facts

Airframes9 applicable
AlternatesNone recorded
ClassExpendable
CriticalityStandard
CategoryUnknown

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