# SDR 9618881225

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 29, 1996
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N225NW](https://openairdocs.org/aircraft/N225NW), registered now
- Make and model: Doug DC-10-30
- Registry model: [Doug DC-10-30](https://openairdocs.org/model/mcdonnell-douglas-dc-10-30) (OpenAirDocs)
- Aircraft serial: 46582
- System (JASC): [5242 · Electrical/Electronic Compartment Doors](https://openairdocs.org/jasc/5242)
- Part: Seal
- Condition: Worn
- Location: Center E/E Door
- Stage of operation: CR
- Nature of condition: O
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/9618881225

## Discrepancy

DURING CRUISE, CABIN PRESSURE FLUCTUATED AND UNABLE TO CONTROL NR 2 PNEUMATIC SYSTEM.  FLIGHT RETURNED TO HNL.  MAINTENANCE REPLACED THE CENTER E/E DOOR SEAL, REINSTALLED NR 1 AND NR 2 FAN BYPASS CHECK VALVE, AND LOCKED THE NR 2 PRSOV INTO THE CLOSED POSITION.

---
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.