# SDR QR9R2024091900005

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 19, 2024
- Submitted: September 19, 2024
- 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: 06720059109
- Aircraft time: 4,907 hours
- System (JASC): [3416 · Altimeter, Barometric/Encoder](https://openairdocs.org/jasc/3416)
- Part: Altimeter
- Part number: 066011530101
- Part serial: 4561
- Condition: Faulty
- Location: Cockpit
- Stage of operation: TX
- 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/QR9R2024091900005

## Discrepancy

RADAR ALTIMETER FAILED ON RUN-UP. AVIONICS GOT IT WORKING ON BATTERY POWER ONLY, BUT AFTER ENGINE START WITH AVO MASTERS TURNED ON, THE RADAR ALTIMETER READOUTS ON PFD/ND WERE BLANK. REMOVED AND REPLACED RADAR ALTIMETER IAW NAV/COM MANUAL 34-41-01. MOC OK.

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