# SDR 9717999760

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 22, 1997
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N760NW
- Make and model: Doug DC-9-41
- Registry model: [Doug DC-9-41](https://openairdocs.org/model/douglas-dc-9-41) (OpenAirDocs)
- Aircraft serial: 47288
- System (JASC): [2130 · Cabin Pressure Control System](https://openairdocs.org/jasc/2130)
- Part: Amplifier
- Part number: 94840213
- Condition: Failed
- Location: Cabin
- Part time: 14,870 hours
- Stage of operation: CL
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/9717999760

## Discrepancy

DURING CLIMBOUT, CABIN WOULD NOT PRESSURIZE IN AUTO MODE.  REGAINED SOME CONTROL TO MANUAL MODE.  FLIGHT RETURNED TO ATL AND LANDED WITHOUT INCIDENT.  REPLACED AMPLIFIER, OPERATIONAL CHECK OK.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.