30903963-1

Cartridge

OEM

Specifications

Part Number
30903963-1
Manufacturer
—
ATA ChapterMaintenance system chapter
26 — Fire ProtectionField reports: 26 (100%) — 1 report
CapabilitySystem area (hydraulics, avionics, landing gear…)
—
Inventory ClassRotable, expendable, or consumable
—
Certification
OEM
Aircraft Category
—
Criticality
—
Life & ShelfTypical service/shelf life — verify against OEM data
—

Service Reliabilityfrom FAA SDR (Service Difficulty Reports)

—
Component-change rate (FAA K-code)
low confidence
SDR reports
1
Replace events
1
Repair events
0
K-code events
0
Reporting window 2026-04-06 – 2026-04-06Dominant 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(2)

E170E190

Alternate / Related Part Numbers(1)

M30903963-1pma replacement

Data Sources(1)

  • Pma Oem Expansion
    2026-05-18

Quick Facts

Airframes2 applicable
Alternates1 found
ClassUnknown
CriticalityUnknown
CategoryUnknown

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