1853M56P12
HYDROMECH UNIT
Specifications
- Part Number
- 1853M56P12
- Manufacturer
- HNYWL
- ATA ChapterMaintenance system chapter
- 73 — Engine - Fuel and Control
- CapabilitySystem area (hydraulics, avionics, landing gear…)
- Fuel Systems
- Inventory ClassRotable, expendable, or consumable
- Rotable
- Certification
- OEM
- Aircraft Category
- Unknown
- Criticality
- Standard
Service Reliabilityfrom FAA SDR (Service Difficulty Reports)
95%
Scrap Propensity (SDR-derived)
- SDR reports
- 46
- Replace events
- 38
- Repair events
- 2
- K-code events
- 23
Reporting window 2008-05-01 – 2023-06-14Dominant chapter ATA 73
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(6)
Alternate / Related Part Numbers(1)
442369pma replacement
Data Sources(1)
- 2026-03-07
Quick Facts
Airframes6 applicable
Alternates1 found
ClassRotable
CriticalityStandard
CategoryUnknown
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