# SDR ALGA081630

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 11, 2002
- Submitted: December 16, 2002
- Operation: General aviation
- Aircraft: [N577AL](https://openairdocs.org/aircraft/N577AL), registered now
- Make and model: Bell 407
- Registry model: [Bell 407](https://openairdocs.org/model/bell-helicopter-textron-canada-407) (OpenAirDocs)
- Aircraft serial: 53247
- Aircraft time: 5,222 hours
- System (JASC): [6320 · Main Rotor Gearbox](https://openairdocs.org/jasc/6320)
- Part: Bearing
- Part number: 407340339101
- Part serial: ZV10910
- Condition: Worn
- Location: Cooler Blower
- Part time: 825 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/ALGA081630

## Discrepancy

COOLER BLOWER BEARING IS ROUGH IN ROTATION.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.