1550121221
HYDRAULIC LINE
Specifications
- Part Number
- 1550121221
- Manufacturer
- Boeing
- ATA ChapterMaintenance system chapter
- 29 — Hydraulic PowerField reports: 29 (100%) — 11 reports
- CapabilitySystem area (hydraulics, avionics, landing gear…)
- Hydraulics
- Inventory ClassRotable, expendable, or consumable
- Expendable
- Certification
- OEM
- Aircraft Category
- Unknown
- Criticality
- Standard
- Life & ShelfTypical service/shelf life — verify against OEM data
- —
Service Reliabilityfrom FAA SDR (Service Difficulty Reports)
100%
Scrap Propensity (SDR-derived)
- SDR reports
- 11
- Replace events
- 8
- Repair events
- 0
- K-code events
- 4
Reporting window 2005-09-09 – 2023-05-22Dominant chapter ATA 29
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(7)
Data Sources(1)
- 2026-03-07
Quick Facts
Airframes7 applicable
AlternatesNone recorded
ClassExpendable
CriticalityStandard
CategoryUnknown
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