41972004
BALLAST
Specifications
- Part Number
- 41972004
- Manufacturer
- DIEHL
- ATA ChapterMaintenance system chapter
- 33 — Lights
- CapabilitySystem area (hydraulics, avionics, landing gear…)
- Electromechanical
- Inventory ClassRotable, expendable, or consumable
- Expendable
- Certification
- OEM
- Aircraft Category
- Unknown
- Criticality
- Standard
Service Reliabilityfrom FAA SDR (Service Difficulty Reports)
—
Component-change rate (FAA K-code)
- SDR reports
- 1
- Replace events
- 1
- Repair events
- 0
- K-code events
- 1
Reporting window 2015-07-02 – 2015-07-02Dominant chapter ATA 33
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(2)
Alternate / Related Part Numbers(3)
1133L49A00000used on
EVA7304-11ZZused on
MHA7304-1ZZused on
Data Sources(1)
- 2026-03-07
Quick Facts
Airframes2 applicable
Alternates3 found
ClassExpendable
CriticalityStandard
CategoryUnknown
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