# SDR 20001206SH012

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 7, 2000
- Submitted: December 6, 2000
- Operation: General aviation
- Aircraft: N5204J
- Make and model: Snias AS350B2
- Aircraft serial: 3118
- System (JASC): [6220 · Main Rotor Head](https://openairdocs.org/jasc/6220)
- Part: Flange
- Part number: 350A31185002
- Condition: Corroded
- Location: Main Rotor
- Part time: 486 hours
- 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/20001206SH012

## Discrepancy

DURING 500-HOUR INSPECTION, FOUND CORROSION ON LOWER SLEEVE FLANGE.  NOTED MASTINOX WAS NOT USED AT THE TIME OF ASSEMBLY.  REF:  S/N M4413, M4415, M4417.  (X)

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