# SDR QR9R2026082800001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 28, 2026
- Submitted: August 29, 2026
- 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: 9779
- Aircraft time: 4,757 hours
- System (JASC): [2300 · Communications System](https://openairdocs.org/jasc/2300)
- Part: Reu
- Part number: REU61003110
- Part serial: 10811
- Condition: Failed
- Location: Zone 200
- Stage of operation: HO
- How discovered: O
- Nature of condition: O
- Precautionary procedure: C
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/QR9R2026082800001

## Discrepancy

WHILE AT HOVER, COMM #2 WOULD NOT TRANSMIT FROM COPILOTS STATION, NO SIDE TONE OR TX INDICATED PILOTS STATION COULD XMIT BUT EXTREMELY GARBLED. RETURNED TO PARKING, AVIONICS ADJUSTED RADIO COMM AND CHECKED OK UNTIL ATTEMPT TO HOVER, THEN FAILED AGAIN. REMOVED AND REPLACED REU IAW AMM 23-00-00, 8-1.

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