# SDR 0101909608

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 14, 2001
- Submitted: May 24, 2001
- Operation: Air carrier
- Aircraft: N608NW
- Make and model: Doug DC-9-32
- Registry model: [Doug DC-9-32](https://openairdocs.org/model/mcdonnell-douglas-dc-9-32) (OpenAirDocs)
- Aircraft serial: 47233
- Aircraft time: 65,237 hours, 59,572 cycles
- System (JASC): [2131 · Cabin Pressure Controller](https://openairdocs.org/jasc/2131)
- Part: Controller
- Part number: 2075301AA
- Part serial: 9843883
- Condition: Failed
- Location: E/E Bay
- Part time: 2,178 hours
- Stage of operation: CR
- 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/0101909608

## Discrepancy

DURING CRUISE FLIGHT, THE AIRCRAFT EXPERIENCED LOSS OF CABIN PRESSURIZATION.  THE FLIGHT CREW FOLLOWED COM PROCEDURES.  AIRCRAFT LANDED AT DESTINATION WITHOUT INCIDENT.  MAINTENANCE REPLACED NR 1 DIGITAL CABIN PRESSURE CONTROLLER AND PERFORMED SYSTEM BITE TEST.  OPERATIONAL CHECK NORMAL.

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