# SDR Z9B2003F00001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 20, 2002
- Submitted: February 21, 2003
- Operation: Air carrier
- Aircraft: [N131AE](https://openairdocs.org/aircraft/N131AE), registered now
- Make and model: Bolkms BO105S
- Aircraft serial: S787
- Engine: Allsn 250C20
- System (JASC): [6320 · Main Rotor Gearbox](https://openairdocs.org/jasc/6320)
- Part: Transmission
- Part number: 4638001010
- Part serial: 1301
- Condition: Making Metal
- Location: Engine
- Part time: 5,723 hours
- Stage of operation: NR
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/Z9B2003F00001

## Discrepancy

METAL IN OIL RESULTING IN CHIP WARNING INDICATIONS.  OIL FILTER CONTAINED BARASS AND IRON FINE FLAKES AND SLIVERS.  SENT TO FACTORY REPAIR STATION FOR ANALYSIS AND REPAIR.

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