# SDR QR9R2025082700001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 27, 2025
- Submitted: August 27, 2025
- Operation: General aviation
- Filed by: [M1 Support Services, repair station QR9R369D](https://openairdocs.org/faa-repair-station/QR9R369D/m1-support-services.md) (OpenAirDocs)
- Make and model: Bolkms BK117C2
- Aircraft serial: 9262
- Aircraft time: 4,656 hours
- System (JASC): [2435 · Starter-Generator](https://openairdocs.org/jasc/2435)
- Part: Starter Gen
- Part number: 23081072
- Part serial: P4168
- Condition: Fluctuates
- Location: Nr 1
- Stage of operation: CR
- How discovered: V
- Nature of condition: F
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/QR9R2025082700001

## Discrepancy

IN FLIGHT #1 GEN READ 15-20 WHILE #2 READ 45-50. ON THE GROUND AT IDLE THEY WERE WITHIN 10. ONCE AVIONICS WERE OFF, #1 WENT TO -5. REMOVED AND REPLACED STARTER GENERATOR IAW AMM 24-30-00, 4-2.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.