# SDR QR9R2022110200001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 2, 2022
- Submitted: November 2, 2022
- 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: 06720029101
- Aircraft time: 3,665 hours
- System (JASC): [2140 · Heating System](https://openairdocs.org/jasc/2140)
- Part: Ejector
- Part number: JBS8821
- Part serial: TA10592305
- Condition: Failed
- Location: Heater
- Stage of operation: HO
- How discovered: O
- Nature of condition: O
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/QR9R2022110200001

## Discrepancy

HEATER FAILED RUN UP TEST. DURING TROUBLESHOOTING, AVIONICS CONFIRMED HEATER MIXING ASSEMBLY BAD. REMOVED AND REPLACED HEATER EJECTOR ASSY IAW AMM 21-41-00, 4-1. OPERATIONAL TEST OF THE HEATING SYSTEM COMPLETE OK AMM 05-60-00, 6-1.

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