AA21400
AMPLIFIER
Specifications
- Part Number
- AA21400
- Manufacturer
- —
- ATA ChapterMaintenance system chapter
- 23 — CommunicationsField reports: 23 (100%) — 5 reports
- CapabilitySystem area (hydraulics, avionics, landing gear…)
- Avionics / Electronics
- Inventory ClassRotable, expendable, or consumable
- Rotable
- Certification
- PMA
- Aircraft Category
- —
- Criticality
- —
- Life & ShelfTypical service/shelf life — verify against OEM data
- —
Service Reliabilityfrom FAA SDR (Service Difficulty Reports)
20%
Component-change rate (FAA K-code)
- SDR reports
- 5
- Replace events
- 0
- Repair events
- 1
- K-code events
- 1
Reporting window 2002-06-27 – 2003-02-17Dominant chapter ATA 23
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(4)
Data Sources(1)
- 2026-03-07
Quick Facts
Airframes4 applicable
AlternatesNone recorded
ClassRotable
CriticalityUnknown
CategoryUnknown
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