# SDR QR9R20220222001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 22, 2022
- Submitted: February 22, 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: 14723369707
- Aircraft time: 3,105 hours
- System (JASC): [2140 · Heating System](https://openairdocs.org/jasc/2140)
- Part: Heater
- Part number: JBS8821
- Part serial: TA17427601
- Condition: Inoperative
- Stage of operation: HO
- How discovered: V
- Nature of condition: F
- Precautionary procedure: C
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/QR9R20220222001

## Discrepancy

IN FLIGHT HEATER WENT OUT AND HEATER STOPPED WORKING. AIRCRAFT RESTRICTED FROM FLIGHT IN CONDITIONS BELOW 50 DEGREES F IAW BK 117 C-2 RFM 2.9.1 REV 22.

---
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.