# SDR QR9R20220826002

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 26, 2022
- Submitted: August 26, 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: 08720799262
- Aircraft time: 3,332 hours
- System (JASC): [3160 · Central Display](https://openairdocs.org/jasc/3160)
- Part: Adc
- Part number: C19269AA
- Part serial: E1880
- Condition: Illuminated
- Stage of operation: TO
- 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/QR9R20220826002

## Discrepancy

DURING RUN-UP, ADC #2 FAILURE LIGHT ILLUMINATED ON PILOTS PFD AND WOULD NOT EXTINGUISH. REMOVED AND REPLACED #2 IPC. FAULT RECTIFIED WITH A/C ON GROUND WITH BATTERY POWER APPLIED; ADC #2 FAULT LIGHT EXTINGUISHED.

---
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.