# SDR ALG2005F00065

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 24, 2005
- Submitted: September 13, 2005
- Operation: Air carrier
- 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
- Engine: Allsn 250C47B
- System (JASC): [7714 · Engine RPM Indicating System](https://openairdocs.org/jasc/7714)
- Part: Indicator
- Part number: 407375002103
- Part serial: 0158
- Condition: Failed
- Location: Engine
- Stage of operation: TO
- How discovered: O
- Nature of condition: P
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ALG2005F00065

## Discrepancy

ON TAKEOFF, NG INDICATOR PEGGED OUT.  RETURNED TO BASE AND NOTIFIED MAINTENANCE.  REMOVED AND REPLACED INDICATOR WITH SERVICEABLE UNIT.  FUNCTIONAL CHECK OK.  IAW MM.  (K)

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