B5538WZZFS464

bearing

OEM

Specifications

Part Number
B5538WZZFS464
Manufacturer
sikorsky aircraft corporation
ATA ChapterMaintenance system chapter
—Field reports: 52 (100%) — 1 report
CapabilitySystem area (hydraulics, avionics, landing gear…)
Electromechanical
Inventory ClassRotable, expendable, or consumable
Expendable
Certification
OEM
Aircraft Category
Unknown
Criticality
Standard
Life & ShelfTypical service/shelf life — verify against OEM data
—

Service Reliabilityfrom FAA SDR (Service Difficulty Reports)

—
Component-change rate (FAA K-code)*
low confidence

* Structural ATA chapter (52). Verb-based propensity is suppressed because "REPAIRED" in the SDR text typically refers to the airframe being repaired around the part, not the part itself. FAA K-code component-change rate is the honest signal.

SDR reports
1
Replace events
1
Repair events
0
K-code events
1
Reporting window 2026-04-12 – 2026-04-12Dominant chapter ATA 52

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(5)

757-200DC-9-50MD-11MD-88MD-90

Data Sources

No source records linked.

Quick Facts

Airframes5 applicable
AlternatesNone recorded
ClassExpendable
CriticalityStandard
CategoryUnknown

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