631056A1

COVER ASSY

PMA

Specifications

Part Number
631056A1
Manufacturer
ATA ChapterMaintenance system chapter
85 — Reciprocating EngineField reports: 85 (67%) · 77 (33%) — 3 reports
CapabilitySystem area (hydraulics, avionics, landing gear…)
Structures
Inventory ClassRotable, expendable, or consumable
Expendable
Certification
PMA
Aircraft Category
Unknown
Criticality
Standard
Life & ShelfTypical service/shelf life — verify against OEM data

Service Reliabilityfrom FAA SDR (Service Difficulty Reports)

100%
Scrap Propensity (SDR-derived)
low confidence
SDR reports
3
Replace events
3
Repair events
0
K-code events
3
Reporting window 1996-12-231999-05-18Dominant chapter ATA 85

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)

2956-2pma replacement

Data Sources(1)

Quick Facts

Airframes1 applicable
Alternates1 found
ClassExpendable
CriticalityStandard
CategoryGeneral aviation

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