# SDR QR9R20211021003

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 21, 2021
- Submitted: October 21, 2021
- 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: 07720239154
- Aircraft time: 3,337 hours
- System (JASC): [8011 · Engine Starter](https://openairdocs.org/jasc/8011)
- Part: Starter Gen
- Part number: 23081072
- Part serial: P2340
- Condition: Warning Light
- Part time: 3,110 hours
- Stage of operation: CR
- How discovered: V
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/QR9R20211021003

## Discrepancy

BAT DISCHARGE CAUTION CAME ON IN FLIGHT. #1 GEN SHOWED 0 ON AMPS. T/F EVALUATION REVEALED DURING AN ATTEMPT TO VENT # 1 ENGINE, NO RISE ON # 1 ENG N1. TRIED TO START # 1 ENGINE WITH NO RISE IN # 1 ENGINE N1. NO CIRCUIT BREAKERS POP; BATTERY AND VOLTAGE WITHIN NORMAL RANGE. REPLACED STARTER GENERATOR IAW AMM 24-30-00, 4-2.

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