# SDR AWXA0001452

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 1, 2001
- Submitted: March 1, 2001
- Operation: Air carrier
- Aircraft: N640AW
- Make and model: Airbus A320-231
- Registry model: [Airbus A320-231](https://openairdocs.org/model/airbus-industrie-a320-231) (OpenAirDocs)
- Aircraft serial: 448
- Aircraft time: 26,809 hours, 11,258 cycles
- System (JASC): [3830 · Waste Disposal System](https://openairdocs.org/jasc/3830)
- Part: Line
- Condition: Clogged
- Location: Lavatory
- 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/AWXA0001452

## Discrepancy

LAS - AIR TURNBACK - 2/22/01 - ALL LAVS WOULD NOT FLUSH (CIDS PANEL RED LIGHT WAS ON, WASTE AT 0 PERCENT FULL, WATER AT 40 PERCENT FULL); AIRCRAFT DESTINATION WAS JFK SO THE FLIGHT RETURNED TO LAS.  THE LAV SYSTEM HAD PREVIOUSLY BEEN PLACED ON MEL 38-30-01 FOR THE VAC GENERATOR INOP.  HOWEVER THE SYSTEM FAILED TO FLUSH USING DIFFERENT DIFFERENTIAL PRESSURE AT ALTITUDE.  IN LAS MAINTENANCE FOUND THE WASTE LINE CLOGGED AT THE LAV WASTE TANK; THE LINE WAS DISCONNECTED AND CLEANED OUT; AFTER CLEANING THE SYSTEM FUNCTIONALLY CHECKED GOOD.

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