56B94

BULB

OEM

Specifications

Part Number
56B94
Manufacturer
—
ATA ChapterMaintenance system chapter
79 — OilField reports: 79 (100%) — 4 reports
CapabilitySystem area (hydraulics, avionics, landing gear…)
unknown
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)

0%
Component-change rate (FAA K-code)
low confidence
SDR reports
4
Replace events
2
Repair events
0
K-code events
0
Reporting window 2001-11-22 – 2007-09-12Dominant chapter ATA 79

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)

737-300737-400737-500737-200737

Data Sources(1)

Quick Facts

Airframes5 applicable
AlternatesNone recorded
ClassExpendable
CriticalityStandard
CategoryNarrow-body

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