4TL1593

SWITCH

PMA

Specifications

Part Number
4TL1593
Manufacturer
ATA ChapterMaintenance system chapter
30 — Ice and Rain ProtectionField reports: 30 (100%) — 3 reports
CapabilitySystem area (hydraulics, avionics, landing gear…)
Electromechanical
Inventory ClassRotable, expendable, or consumable
Rotable
Certification
PMA
Aircraft Category
Criticality
Life & ShelfTypical service/shelf life — verify against OEM data

Service Reliabilityfrom FAA SDR (Service Difficulty Reports)

100%
Scrap Propensity (SDR-derived)
low confidence
SDR reports
3
Replace events
3
Repair events
0
K-code events
2
Reporting window 2002-08-222003-04-11Dominant chapter ATA 30

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)

Data Sources(1)

Quick Facts

Airframes2 applicable
AlternatesNone recorded
ClassRotable
CriticalityUnknown
CategoryNarrow-body

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