530003991
SQUIB
Specifications
- Part Number
- 530003991
- Manufacturer
- Meggitt
- ATA ChapterMaintenance system chapter
- 52 — Doors
- CapabilitySystem area (hydraulics, avionics, landing gear…)
- Safety / Emergency
- Inventory ClassRotable, expendable, or consumable
- Expendable
- Certification
- OEM
- Aircraft Category
- Multi-Category
- Criticality
- Critical
Service Reliabilityfrom FAA SDR (Service Difficulty Reports)
—
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
- 1
- Replace events
- 1
- Repair events
- 0
- K-code events
- 1
Reporting window 2024-01-04 – 2024-01-04Dominant 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(1)
Alternate / Related Part Numbers(1)
M53000399-1pma replacement
Data Sources(1)
- 2026-03-07
Quick Facts
Airframes1 applicable
Alternates1 found
ClassExpendable
CriticalityCritical
CategoryMulti-Category
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