# SDR HDNA20220629001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 29, 2022
- Submitted: June 30, 2022
- Operation: Air carrier
- Aircraft: [N145FH](https://openairdocs.org/aircraft/N145FH), registered now
- Make and model: Bolkms BK117C2
- Aircraft serial: 9047
- Aircraft time: 7,127 hours, 28,295 cycles
- System (JASC): [6710 · Main Rotor Control](https://openairdocs.org/jasc/6710)
- Part: Control Rod
- Part number: B291M00X4101
- Condition: Cracked
- Location: Zone 200
- Part time: 7,127 hours, 28,295 cycles
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/HDNA20220629001

## Discrepancy

MAINTENANCE NOTED DURING THE PERFORMANCE OF A "DAILY AIRWORTHINESS CHECK" MULTIPLE CRACKS AT THE FORWARD END OF THE NON-BOOSTED COLLECTIVE UPPER FLIGHT CONTROL ROD PART NUMBER B291M00X4101.

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