Q4559X
LIGHT
Specifications
- Part Number
- Q4559X
- Manufacturer
- GE
- ATA ChapterMaintenance system chapter
- 33 — LightsField reports: 33 (89%) · 26 (11%) — 9 reports
- CapabilitySystem area (hydraulics, avionics, landing gear…)
- Instruments
- Inventory ClassRotable, expendable, or consumable
- Expendable
- Certification
- OEM
- Aircraft Category
- Unknown
- Criticality
- Standard
Service Reliabilityfrom FAA SDR (Service Difficulty Reports)
100%
Scrap Propensity (SDR-derived)
- SDR reports
- 9
- Replace events
- 4
- Repair events
- 0
- K-code events
- 5
Reporting window 2000-04-10 – 2026-03-30Dominant chapter ATA 33
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(8)
Alternate / Related Part Numbers(1)
Q4559-LEDpma replacement
Data Sources(1)
- 2026-03-07
Quick Facts
Airframes8 applicable
Alternates1 found
ClassExpendable
CriticalityStandard
CategoryUnknown
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