# SDR QMLA2020052920024

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 28, 2020
- Submitted: May 29, 2020
- Operation: Air carrier
- Aircraft: N145HN
- Make and model: Bolkms BK117C2
- Aircraft serial: 9302
- Aircraft time: 5,565 hours, 21,986 cycles
- System (JASC): [6710 · Main Rotor Control](https://openairdocs.org/jasc/6710)
- Part: Collective Stick
- Part number: B671M6001101
- Condition: Corroded
- Location: Cockpit
- Stage of operation: UK
- How discovered: O
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/QMLA2020052920024

## Discrepancy

DURING INSPECTION A 4360.3 ITEM 3.4.4 FOUND CORROSION ON THE COPILOT SIDE COLLECTIVE SHAFT AT THE WELD FOR COLLECTIVE LEVER.  AIRCRAFT REMAINS OUT OF SERVICE AT HIS TIME, PENDING REPLACEMENT OF COLLECTIVE CONTROL SHAFT.

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