# SDR QR9R2025040400002

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 4, 2025
- Submitted: April 4, 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: 9748
- Aircraft time: 4,235 hours
- System (JASC): [2140 · Heating System](https://openairdocs.org/jasc/2140)
- Part: Ejector
- Part number: JBS8821
- Part serial: TM2141305
- Condition: Failed
- Location: Heater
- Stage of operation: TO
- How discovered: O
- Nature of condition: F
- Precautionary procedure: C
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/QR9R2025040400002

## Discrepancy

HEATER INOPERATIVE AT TAKEOFF. TROUBLESHOOTING REVEALED THE HEATER EJECTOR WOULD NOT ACTUATE. REMOVED AND REPLACED THE HEATER EJECTOR ASSY IAW AMM 21-41-00, 4-1.

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