# SDR USAAD00088

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 1, 2000
- Submitted: July 18, 2000
- Operation: Air carrier
- Aircraft: N813US
- Make and model: Doug DC-9-81(MD-81)
- Registry model: [Doug DC-9-81(MD-81)](https://openairdocs.org/model/mcdonnell-douglas-dc-9-81-md-81) (OpenAirDocs)
- Aircraft serial: 48093
- System (JASC): [2131 · Cabin Pressure Controller](https://openairdocs.org/jasc/2131)
- Part: Controller
- Condition: Failed
- Location: Cabin Pressure
- Stage of operation: DE
- How discovered: O
- Nature of condition: J
- Precautionary procedure: B
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/USAAD00088

## Discrepancy

PIT-MCI - FLT 399 - DURING DESCENT, THE CABIN ALTITUDE STARTED TO CLIMB UNCONTROLLABLY AND THE PRESSURIZATION FLOW LIGHT ILLUMINATED.  THE AIRCRAFT DESCENDED TO 10,000 FEET BEFORE LANDING WITHOUT INCIDENT.  (M)

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