20405011
SMOKE
Specifications
- Part Number
- 20405011
- Manufacturer
- Boeing
- ATA ChapterMaintenance system chapter
- 21 — Air ConditioningField reports: 21 (100%) — 47 reports
- CapabilitySystem area (hydraulics, avionics, landing gear…)
- Safety / Emergency
- Inventory ClassRotable, expendable, or consumable
- Rotable
- Certification
- OEM
- Aircraft Category
- Unknown
- Criticality
- Critical
- Life & ShelfTypical service/shelf life — verify against OEM data
- —
Service Reliabilityfrom FAA SDR (Service Difficulty Reports)
95%
Scrap Propensity (SDR-derived)
- SDR reports
- 47
- Replace events
- 39
- Repair events
- 2
- K-code events
- 14
Reporting window 1996-02-06 – 2016-05-22Dominant 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(5)
Data Sources(1)
- 2026-03-07
Quick Facts
Airframes5 applicable
AlternatesNone recorded
ClassRotable
CriticalityCritical
CategoryNarrow-body
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