143A5240-36

Name: 143A5240-36
SKU: 143A5240-36

Break Assy-PNL

OEM

Specifications

Part Number: 143A5240-36
Manufacturer: Boeing
ATA ChapterMaintenance system chapter: 53 — FuselageField reports: 53 (99%) · 57 (<1%) — 185 reports
CapabilitySystem area (hydraulics, avionics, landing gear…): Structures
Inventory ClassRotable, expendable, or consumable: —
Certification: OEM
Aircraft Category: —
Criticality: —
Life & ShelfTypical service/shelf life — verify against OEM data: —

Service Reliabilityfrom FAA SDR (Service Difficulty Reports)

99%

Component-change rate (FAA K-code)*

high confidence

* Structural ATA chapter (53). Verb-based propensity is suppressed because "REPAIRED" in the SDR text typically refers to the airframe being repaired around the part, not the part itself. FAA K-code component-change rate is the honest signal.

SDR reports: 185
Replace events: 183
Repair events: 0
K-code events: 184

Reporting window 2014-05-02 – 2026-05-22Dominant chapter ATA 53

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.