# SDR MASA200700537

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 30, 2007
- Submitted: September 25, 2007
- Operation: Air carrier
- Aircraft: [N991HA](https://openairdocs.org/aircraft/N991HA), registered now
- Make and model: Dhav DHC8202
- Aircraft serial: 431
- Aircraft time: 27,016 hours, 29,191 cycles
- Engine: Pwa PW123
- Engine time: 1,018 hours, 1,400 cycles
- System (JASC): [7200 · Engine (Turbine/Turboprop)](https://openairdocs.org/jasc/7200)
- Part: Engine
- Part number: PW123D
- Part serial: TM123333
- Condition: Unknown
- Part time: 1,018 hours, 1,400 cycles
- Stage of operation: NR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/MASA200700537

## Discrepancy

TAKEOFF WARNING HORN SOUNDED DURING ENGINE POWER UP.  REMOVED AND REPLACED ENGINE/ADJUSTED CONDITION LEVER MICROSWITCH.

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