21830

BEARING

Specifications

Part Number
21830
Manufacturer
—
ATA ChapterMaintenance system chapter
29 — Hydraulic PowerField reports: 29 (100%) — 4 reports
CapabilitySystem area (hydraulics, avionics, landing gear…)
unknown
Inventory ClassRotable, expendable, or consumable
Expendable
Certification
—
Aircraft Category
Unknown
Criticality
Standard
Life & ShelfTypical service/shelf life — verify against OEM data
—

Service Reliabilityfrom FAA SDR (Service Difficulty Reports)

25%
Component-change rate (FAA K-code)
low confidence
SDR reports
4
Replace events
1
Repair events
0
K-code events
1
Reporting window 1997-04-09 – 2005-12-12Dominant chapter ATA 29

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(3)

737-300737-700737

Alternate / Related Part Numbers(1)

AAP-21830pma replacement

Data Sources(1)

Quick Facts

Airframes3 applicable
Alternates1 found
ClassExpendable
CriticalityStandard
CategoryNarrow-body

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