1853M56P16
HYDROMECH UNIT
Specifications
- Part Number
- 1853M56P16
- Manufacturer
- Honeywell
- 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
- Critical
Service Reliabilityfrom FAA SDR (Service Difficulty Reports)
96%
Scrap Propensity (SDR-derived)
- SDR reports
- 33
- Replace events
- 26
- Repair events
- 1
- K-code events
- 16
Reporting window 2014-10-06 – 2026-05-03Dominant 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(4)
Data Sources(1)
- 2026-03-07
Quick Facts
Airframes4 applicable
AlternatesNone recorded
ClassRotable
CriticalityCritical
CategoryUnknown
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