# SDR AU960489

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 18, 1996
- Submitted: March 26, 2000
- Operation: General aviation
- Make and model: Cessna 441
- Registry model: [Cessna 441](https://openairdocs.org/model/cessna-441) (OpenAirDocs)
- System (JASC): [2161 · Cabin Temperature Controller](https://openairdocs.org/jasc/2161)
- Part: Switch
- Part number: 7468331
- Condition: Faulty
- Location: Cabin Temp. Cont
- Stage of operation: NR
- Nature of condition: N
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AU960489

## Discrepancy

(AUS) PRESSURISATION SYSTEM AIRCYCLE MACHINE OVERTEMPERATURE SWITCH  FAULTY GIVING FALSE ACM OVERTEMPERATURE INDICATION, CAUSINGCONSEQUENT CABIN PRESSURE FAILURE AND EMERGENCY PRESSURISATION ACTUATION

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