141A56901
FLOOR SUPPORT
Specifications
- Part Number
- 141A56901
- Manufacturer
- Boeing
- ATA ChapterMaintenance system chapter
- 53 — FuselageField reports: 53 (100%) — 41 reports
- CapabilitySystem area (hydraulics, avionics, landing gear…)
- Structures
- Inventory ClassRotable, expendable, or consumable
- Expendable
- Certification
- OEM
- Aircraft Category
- Narrow-Body
- Criticality
- Standard
Service Reliabilityfrom FAA SDR (Service Difficulty Reports)
100%
Component-change rate (FAA K-code)*
* 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
- 41
- Replace events
- 39
- Repair events
- 2
- K-code events
- 41
Reporting window 2016-08-16 – 2026-04-22Dominant 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.
Airframe Applicability(7)
Alternate / Related Part Numbers(1)
141A5690U1pma replacement
Data Sources(1)
- 2026-03-07
Quick Facts
Airframes7 applicable
Alternates1 found
ClassExpendable
CriticalityStandard
CategoryNarrow-Body
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