# SDR CA970421040

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 27, 1997
- Submitted: March 26, 2000
- Operation: Air carrier
- Make and model: Snias AS350B
- Engine: Tmeca ARRIEL1B
- System (JASC): [6220 · Main Rotor Head](https://openairdocs.org/jasc/6220)
- Part: Bolt
- Part number: 350A37124420
- Condition: Corroded
- Location: Main Rotor
- Part time: 1,538 hours
- Stage of operation: IN
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CA970421040

## Discrepancy

(CAN) MAIN ROTOR HEAD BOLTS P/N 350A37-1244-20 AND 350A37-1245-20 FOUND CORRODED IN THRUST AREAS WHERE DRY LUBRICANT HAD WORN OFF.

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