# SDR MALA020223

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 31, 2002
- Submitted: April 2, 2002
- Operation: Air carrier
- Aircraft: N454XJ
- Make and model: Saab 340B
- Registry model: [Saab 340B](https://openairdocs.org/model/saab-340b) (OpenAirDocs)
- Aircraft serial: 340B454
- System (JASC): [3020 · Air Intake Anti/De-Ice System](https://openairdocs.org/jasc/3020)
- Part: Switch
- Condition: Defective
- Location: Cockpit
- Stage of operation: NR
- How discovered: O
- Nature of condition: O
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/MALA020223

## Discrepancy

DURING FLIGHT 3177, LT INTAKE HEAT CYCLING.  AIR TURNBACK TO DTW.  MAINTENANCE FOUND LT SWITCH ON PANEL BAD.  REMOVED AND REPLACED LT SWITCH.  RAN A/C, OPS CHECK GOOD.  ALL DONE IAW AMM 20-30.

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