# SDR MWEA99320

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 4, 1999
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N502ME
- 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: 48132
- System (JASC): [3520 · Passenger Oxygen System](https://openairdocs.org/jasc/3520)
- Part: Press Regulator
- Part number: 90002207712
- Condition: Malfunctioned
- Location: Cabin
- Stage of operation: DE
- Nature of condition: O
- Precautionary procedure: G
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/MWEA99320

## Discrepancy

ON DESCENT THE CABIN PRESSURE CLIMBED TO 10,000 FEET AND CREW HAD TO MANUALLY DEPLOY MASKS.  MTC REMOVED AND REPLACED RIGHT WATER SEPARATOR SOCK AND OXYGEN BOTTLE PRESSURE REGULATOR.

---
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.