# SDR SWAA010043

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 6, 2001
- Submitted: January 12, 2001
- Operation: Air carrier
- Aircraft: N363SW
- Make and model: Boeing 737-3H4
- Registry model: [Boeing 737-3H4](https://openairdocs.org/model/boeing-737-3h4) (OpenAirDocs)
- Aircraft serial: 26574
- Aircraft time: 27,300 hours, 25,290 cycles
- System (JASC): [2130 · Cabin Pressure Control System](https://openairdocs.org/jasc/2130)
- Part: Drain Valve
- Part number: 6573739
- Condition: Open
- Location: Lower Fuselage
- Stage of operation: CR
- How discovered: O
- Nature of condition: O
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA010043

## Discrepancy

DIVERSION, LT DUAL BLEED LIGHT ILLUMINATED, RIGHT A/C WOULD NOT MAINTAIN CABIN PRESSURE.  FOUND NUMEROUS BELLY DRAIN VALVES OPENED.  CLEANED AND REPOSITIONED DRAIN VALVES.  OPS CHECK GOOD.

---
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.