# SDR 2026FA0000400

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 10, 2026
- Submitted: May 15, 2026
- Operation: General aviation
- Aircraft: [N440SF](https://openairdocs.org/aircraft/N440SF), registered now
- Make and model: Bolkms BK117C2
- Aircraft serial: 9457
- Aircraft time: 9,683 hours, 26,628 cycles
- System (JASC): [2436 · DC Regulator](https://openairdocs.org/jasc/2436)
- Part: Gcu
- Part number: 51530022
- Part serial: P13062CAA
- Condition: Failed
- Location: Zone 200
- Stage of operation: AA
- How discovered: V
- Nature of condition: J
- Precautionary procedure: C
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2026FA0000400

## Discrepancy

#1 GENERATOR DISCONNECT LIGHT DISPLAYED ON CAD.  CONFIRMED LOSS OF GENERATOR.  RESET ATTEMPTS FAILED.  ABORTED FLIGHT AS MEL ONLY ALLOWED DAY VFR AND COULD NOT COMPLETE THE PATIENT TRANSFER BEFORE SUNSET.

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