7738556
MODULATING VALVE
Specifications
- Part Number
- 7738556
- Manufacturer
- —
- ATA ChapterMaintenance system chapter
- 36 — PneumaticField reports: 36 (89%) · 25 (3%) · 54 (3%) — 38 reports
- CapabilitySystem area (hydraulics, avionics, landing gear…)
- unknown
- Inventory ClassRotable, expendable, or consumable
- Expendable
- Certification
- —
- 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
- 38
- Replace events
- 37
- Repair events
- 0
- K-code events
- 16
Reporting window 1999-04-01 – 2025-07-04Dominant chapter ATA 36
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(3)
Alternate / Related Part Numbers(1)
AECI PN 740215-10AECpma replacement
Data Sources(1)
- 2026-03-07
Quick Facts
Airframes3 applicable
Alternates1 found
ClassExpendable
CriticalityStandard
CategoryWide-body
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