143T8542-4
depresor
Specifications
- Part Number
- 143T8542-4
- Manufacturer
- Boeing
- ATA ChapterMaintenance system chapter
- 53 — FuselageField reports: 52 (67%) · 53 (33%) — 3 reports
- CapabilitySystem area (hydraulics, avionics, landing gear…)
- Structures
- Inventory ClassRotable, expendable, or consumable
- Unknown
- Certification
- —
- Aircraft Category
- Fixed-Wing
- Criticality
- Standard
- Life & ShelfTypical service/shelf life — verify against OEM data
- —
Service Reliabilityfrom FAA SDR (Service Difficulty Reports)
100%
Component-change rate (FAA K-code)*
* Structural ATA chapter (52). 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
- 3
- Replace events
- 3
- Repair events
- 0
- K-code events
- 3
Reporting window 2026-03-16 – 2026-04-21Dominant chapter ATA 52
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(4)
Data Sources
No source records linked.
Quick Facts
Airframes4 applicable
AlternatesNone recorded
ClassUnknown
CriticalityStandard
CategoryFixed-Wing
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