# SDR AUS20011276

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 2, 2001
- Submitted: January 4, 2002
- Operation: Air carrier
- Make and model: Boeing 737-33A
- Registry model: [Boeing 737-33A](https://openairdocs.org/model/boeing-737-33a) (OpenAirDocs)
- Engine: Cfmint CFM563B1US
- System (JASC): [2130 · Cabin Pressure Control System](https://openairdocs.org/jasc/2130)
- Part: Controller
- Condition: Contaminated
- Location: Cabin Pressure
- Stage of operation: CR
- How discovered: O
- Nature of condition: W, J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AUS20011276

## Discrepancy

(AUS) PRESSURISATION SYSTEM FAULTY.  PASSENGER OXYGEN MASKS DEPLOYED.  INVESTIGATION FOUND EVIDENCE OF WATER/COFFEE CONTAMINATION OF THE FORWARD E&E BAY.  CONTAMINATION WAS DUE TO REMOVAL OF THE AIRSTAIRS AND DRIP TRAY LOCATED ABOVE THE E&E BAY. SERVICE BULLETIN SB 737-25-1317 THEN CALLS FOR THE INSTALLATION OF A WATER SHIELD AND MOISTURE SHROUDS. THE SB WAS NEVER CARRIED OUT. PERSONNEL/MAINTENANCE ERROR.

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