# SDR TWAA9739001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 13, 1997
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N958U
- Make and model: Doug DC-9-82
- Registry model: [Doug DC-9-82](https://openairdocs.org/model/mcdonnell-douglas-dc-9-82) (OpenAirDocs)
- Aircraft serial: 49703
- System (JASC): [3830 · Waste Disposal System](https://openairdocs.org/jasc/3830)
- Part: Check Valve
- Part number: 16007045
- Condition: Leaking
- Location: Forward Lavatory
- Stage of operation: CR
- Nature of condition: C
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/TWAA9739001

## Discrepancy

STL - DURING CRUISE, BLUE ICE FROM A LEAKING FORWARD LAVATORY FILL CHECK VALVE DAMAGED NR 1 ENGINE, S/N 3250.  REMOVED AND REPLACED FORWARD LAVATORY CHECK VALVE, MFG P/N 16007-045, REMOVED NR 1 ENGINE S/N 3250.  OPERATIONAL CHECK NORMAL.  (M)

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