74541

EXHAUST VALVE

Specifications

Part Number
74541
Manufacturer
—
ATA ChapterMaintenance system chapter
85 — Reciprocating EngineField reports: 85 (100%) — 9 reports
CapabilitySystem area (hydraulics, avionics, landing gear…)
Engine Accessories
Inventory ClassRotable, expendable, or consumable
Rotable
Certification
—
Aircraft Category
Unknown
Criticality
Standard
Life & ShelfTypical service/shelf life — verify against OEM data
—

Service Reliabilityfrom FAA SDR (Service Difficulty Reports)

50%
Scrap Propensity (SDR-derived)
low confidence
SDR reports
9
Replace events
3
Repair events
3
K-code events
5
Reporting window 1995-09-25 – 2002-06-14Dominant chapter ATA 85

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(4)

C172 SkyhawkPA-28 CherokeePA-22 Tri-PacerPA-44 Seminole

Alternate / Related Part Numbers(1)

AEL74541Tpma replacement

Data Sources(1)

Quick Facts

Airframes4 applicable
Alternates1 found
ClassRotable
CriticalityStandard
CategoryUnknown

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