# SDR DXTA200601724

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 12, 2006
- Submitted: November 22, 2006
- Operation: Air carrier
- Aircraft: N643QS
- Make and model: Cessna 560XL
- Registry model: [Cessna 560XL](https://openairdocs.org/model/cessna-560xl) (OpenAirDocs)
- Aircraft serial: 5605588
- Aircraft time: 1,038 hours, 842 cycles
- Engine: Pwa PW545A
- System (JASC): [2697 · Fire Protection System Wiring](https://openairdocs.org/jasc/2697)
- Part: Connector
- Condition: Dirty
- Stage of operation: DE
- How discovered: O
- Nature of condition: N
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DXTA200601724

## Discrepancy

DURING APPROACH, BOTH ENGINE FIRE LIGHT SWITCHES FLASHED SIMULTANEOUSLY MULTIPLE TIMES.  UNABLE TO DUPLICATE, CLEANED CONNECTORS ON ROTARY TEST SWITCH.  TESTED ANNUNCIATOR IAW MM 31-11-00  ALL TESTS NML

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