1828203

HEAT EXCHANGER

Specifications

Part Number
1828203
Manufacturer
Honeywell
ATA ChapterMaintenance system chapter
21 — Air ConditioningField reports: 21 (92%) · 26 (4%) · 36 (4%) — 26 reports
CapabilitySystem area (hydraulics, avionics, landing gear…)
Environmental / Cabin
Inventory ClassRotable, expendable, or consumable
—
Certification
—
Aircraft Category
Unknown
Criticality
Standard
Life & ShelfTypical service/shelf life — verify against OEM data
—

Service Reliabilityfrom FAA SDR (Service Difficulty Reports)

96%
Scrap Propensity (SDR-derived)
medium confidence
SDR reports
26
Replace events
23
Repair events
1
K-code events
14
Reporting window 2003-05-03 – 2026-04-09Dominant 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(7)

737-300737-400737-500737-700737-800737-900737

Data Sources(1)

Quick Facts

Airframes7 applicable
AlternatesNone recorded
ClassUnknown
CriticalityStandard
CategoryUnknown

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