# SDR CA011121016

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 1, 2001
- Submitted: February 5, 2002
- 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)
- Aircraft time: 68,305 hours
- Engine: Pwa JT8D7
- System (JASC): [2170 · Humidity Control System](https://openairdocs.org/jasc/2170)
- Part: Heat Exchanger
- Condition: Separated
- Location: Lt Pack
- Component: Heat Exchanger
- Stage of operation: CL
- 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/CA011121016

## Discrepancy

(CAN) UNABLE TO MAINTAIN CABIN PRESSURE WITH R/H PACK ONLY.  LT PACK ON DEVIATION. FOUND HEAT EXCHANGER SEPARATED AT THE EXCHANGER. RE-SECURED AND PACKS OPERATED NORMALLY.

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