# SDR QR9R20210930003

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 30, 2021
- Submitted: September 30, 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: 07720099123
- Aircraft time: 2,847 hours
- System (JASC): [6340 · Rotor Drive Indicating System](https://openairdocs.org/jasc/6340)
- Part: Transducer
- Part number: ZRB26300
- Part serial: 1501
- Condition: Faulty
- Stage of operation: HO
- How discovered: V
- Nature of condition: J
- Precautionary procedure: C
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/QR9R20210930003

## Discrepancy

#2 XMSN PRESSURE INDICATION STAYED AT 0.0 ONCE ENGINE WAS STARTED RESULTING IN AN ABORTED TAKEOFF. #2 PRESSURE TRANSDUCER REPLACED IAW AMM 63-41-00, 4-4; GROUND RUN SUCCESSFULLY COMPLETED.

---
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.
