# SDR MALA040419

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 30, 2004
- Submitted: June 1, 2004
- Operation: Air carrier
- Aircraft: N402XJ
- Make and model: Saab 340B
- Registry model: [Saab 340B](https://openairdocs.org/model/saab-340b) (OpenAirDocs)
- Aircraft serial: 340B402
- Aircraft time: 17,817 hours, 19,292 cycles
- Engine: Ge CT79B
- System (JASC): [3020 · Air Intake Anti/De-Ice System](https://openairdocs.org/jasc/3020)
- Part: Thermostat
- Condition: Faulty
- Location: Rt Engine
- Stage of operation: CR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/MALA040419

## Discrepancy

RT ENGINE INTAKE LIGHT CYCLED ON AND OFF NUMEROUS TIMES; RAN QRH--NO CHANGES. IT CYCLED FOR THE REMAINDER OF FLIGHT. AIR RETURN TO DTW.  MAINTENANCE FOUND NR 3 THERMOSTAT ON LOWER DUCT OPEN--SWAPPED TO NR 4 POSITION. COMPLETED OP'S CK'S IAW AMM. ALL CHECKS GOOD. SEE 409 NR 131454 FOR DETAILS.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.