What Is P/N 100‑0201‑01?
Part number 100‑0201‑01 is a self-contained emergency power module that delivers 6 amps of output between 19.5 and 24 VDC. Featuring an onboard charger and built-in battery testing, it eliminates the need to remove the unit for capacity checks. Lightweight (approximately 19 lb) and compact (ARINC 404 / ½‑ATR form factor), this unit is widely deployed on long‑range business aircraft—especially those built since serial number 1278—with over 1,700 units in service and a proven MTBF above 20,000 hours.
Why Repairability Is a Significant Upgrade
This power supply is now fully eligible for certified repair and exchange services—including comprehensive electrical testing and domestic turnaround service with FAA/EASA‑recognized airworthiness release documentation.
Why repair makes operational sense:
- New units are often unavailable or on extended backorder.
- Overhaul pricing generally runs well below the cost of new or obsolete stock.
- Repairs follow structured procedures to meet all regulatory standards.
Including:
- Full teardown with schematic‑based evaluation.
- Refreshed battery pack, calibrated to OEM spec.
- Load‑cycle and charge‑cycle bench testing.
- Built‑in test (BIT) clearing and re‑validation.
Certified return documentation (FAA Form 8130‑3 or equivalent).
Final Thoughts
With its strong field reliability, intuitive diagnostics, and broad in-service use, Power Supply P/N 100‑0201‑01 continues to be a dependable choice for emergency power. The newly available certified repair route makes it easier and more cost‑effective than ever to retain or restore these units. For operators managing legacy installations or minimizing downtime, this service offers a controlled, compliant, and flight‑ready solution.