# SDR ALGA3/17/102514

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 17, 2010
- Submitted: March 17, 2010
- Operation: Air carrier
- Aircraft: [N406AL](https://openairdocs.org/aircraft/N406AL), registered now
- Make and model: Bell 407
- Registry model: [Bell 407](https://openairdocs.org/model/bell-helicopter-textron-canada-407) (OpenAirDocs)
- Aircraft serial: 53481
- Aircraft time: 7,282 hours
- Engine: Allsn 250C47B
- System (JASC): [6510 · Tail Rotor Drive Shaft](https://openairdocs.org/jasc/6510)
- Part: Bearing
- Part number: 407340339107
- Part serial: ZV13231
- Condition: Overheated
- Location: T/R Drive Shaft
- Part time: 366 hours
- Component: Tail Rotor Driv, Bell
- Component part number: 407040302115
- Stage of operation: IN
- How discovered: V
- Nature of condition: M
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ALGA3%2F17%2F102514

## Discrepancy

BEARING PN 407-340-339-107, SN ZV13231, TT 366.4 EXHIBITED SIGNS OF OVERTEMP CONDITION. EXPELLED GREASE WAS BLACK AND THE OVERHEAT TEMP INDICATOR ON THE BEARING HANGER WAS BLACK.

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