LW12987
PISTON RING
Specifications
- Part Number
- LW12987
- Manufacturer
- LYC
- ATA ChapterMaintenance system chapter
- 85 — Reciprocating Engine
- CapabilitySystem area (hydraulics, avionics, landing gear…)
- Engine Accessories
- Inventory ClassRotable, expendable, or consumable
- Expendable
- Certification
- OEM
- Aircraft Category
- General-Aviation
- Criticality
- Standard
Service Reliabilityfrom FAA SDR (Service Difficulty Reports)
67%
Component-change rate (FAA K-code)
- SDR reports
- 3
- Replace events
- 2
- Repair events
- 0
- K-code events
- 2
Reporting window 1996-05-03 – 2007-05-10Dominant 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
No airframe data available for this part.
Alternate / Related Part Numbers(1)
AEL10927ST13.0, AEL10927SN13.0pma replacement
Data Sources(1)
- 2026-03-07
Quick Facts
AirframesUnknown
Alternates1 found
ClassExpendable
CriticalityStandard
CategoryGeneral-Aviation
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