# SDR CALA2019021100239

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 10, 2019
- Submitted: February 11, 2019
- Operation: Air carrier
- Aircraft: [N78017](https://openairdocs.org/aircraft/N78017), registered now
- Make and model: Boeing 777224
- Aircraft serial: 31679
- Aircraft time: 86,026 hours, 8,214 cycles
- System (JASC): [3830 · Waste Disposal System](https://openairdocs.org/jasc/3830)
- Part: Valve
- Part number: 99383290005
- Part serial: 2585
- Condition: Leaking
- Location: Waste Tank
- Stage of operation: IN
- How discovered: O
- Nature of condition: K
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2019021100239

## Discrepancy

WATER DRIPPING WAS NOTICED COMING OUT FROM THE AFT CARGO DRAIN. FURTHER INSPECTION CONFIRM THAT FORWARD WASTE TANK BALL VALVE WAS LEAKING.

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