# SDR 2023FA0000766

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 7, 2023
- Submitted: November 21, 2023
- Operation: General aviation
- Aircraft: [N240SF](https://openairdocs.org/aircraft/N240SF), registered now
- Make and model: Bolkms BK117C2
- Aircraft serial: 9403
- Aircraft time: 7,811 hours
- System (JASC): [6240 · Main Rotor Indicating System](https://openairdocs.org/jasc/6240)
- Part: Gauge
- Part number: UNK
- Part serial: UNK
- Condition: Debonded
- Location: Zone 200
- Component: Mast (Strain Ga, Airbus
- Component part number: 4639205027
- Stage of operation: HO
- How discovered: O
- Nature of condition: N
- Precautionary procedure: C
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2023FA0000766

## Discrepancy

MAST MOMENT WAS EXCEEDED IN A HOVER.  LANDED THE AIRCRAFT WITH NO ISSUES.  AFTER TROUBLESHOOTING FOUND THE STRAIN GAUGE IN THE MAST HAD DEBONDED CAUSING A FALSE INDICATION IN THE COCKPIT.

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