39854021
SHUT-OFF VALVE
Specifications
- Part Number
- 39854021
- Manufacturer
- Honeywell
- ATA ChapterMaintenance system chapter
- 21 — Air ConditioningField reports: 21 (100%) — 21 reports
- CapabilitySystem area (hydraulics, avionics, landing gear…)
- Fuel Systems
- Inventory ClassRotable, expendable, or consumable
- Rotable
- 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
- 21
- Replace events
- 20
- Repair events
- 0
- K-code events
- 1
Reporting window 1995-01-20 – 2021-08-19Dominant chapter ATA 21
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)
Data Sources(1)
- 2026-03-07
Quick Facts
Airframes3 applicable
AlternatesNone recorded
ClassRotable
CriticalityStandard
CategoryNarrow-body
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