1879421
COALESCER BAG
Specifications
- Part Number
- 1879421
- Manufacturer
- Airbus
- ATA ChapterMaintenance system chapter
- 21 — Air Conditioning
- CapabilitySystem area (hydraulics, avionics, landing gear…)
- Fuel Systems
- Inventory ClassRotable, expendable, or consumable
- Expendable
- Certification
- OEM
- Aircraft Category
- Unknown
- Criticality
- Standard
Service Reliabilityfrom FAA SDR (Service Difficulty Reports)
100%
Scrap Propensity (SDR-derived)
- SDR reports
- 18
- Replace events
- 11
- Repair events
- 0
- K-code events
- 6
Reporting window 1997-08-17 – 2022-04-29Dominant 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(6)
Alternate / Related Part Numbers(1)
21BC128Gpma replacement
Data Sources(1)
- 2026-03-07
Quick Facts
Airframes6 applicable
Alternates1 found
ClassExpendable
CriticalityStandard
CategoryUnknown
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