# SDR CA970722032

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 3, 1997
- Submitted: March 26, 2000
- Operation: Air carrier
- Make and model: Doug DC-9-32
- Registry model: [Doug DC-9-32](https://openairdocs.org/model/mcdonnell-douglas-dc-9-32) (OpenAirDocs)
- Engine: Pwa JT8D7A
- System (JASC): [2121 · Air Distribution Fan](https://openairdocs.org/jasc/2121)
- Part: Fan
- Part number: 60529042
- Condition: Inoperative
- Location: Cabin
- Stage of operation: NR
- Nature of condition: B
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CA970722032

## Discrepancy

(CAN) DURING CABIN CHECK BY INFLIGHT SERVICES BOTH LAVATORY SMOKE DETECTORS WERE FOUND ACTIVATED AND SMOKE IN CABIN. LEFT HAND HEAT EXCHANGER FAN FOUND INOPERATIVE. EXCHANGER FAN REPLACED AND EXCHANGER RAM AIR EXHAUST CONTROL VALVE (P/N 20211362) REPLACED

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