# SDR AALA20170215022

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 13, 2017
- Submitted: February 15, 2017
- Operation: Air carrier
- Aircraft: [N966NN](https://openairdocs.org/aircraft/N966NN), registered now
- Make and model: Boeing 737823
- Aircraft serial: 33240
- Aircraft time: 6,789 hours, 2,453 cycles
- System (JASC): [3830 · Waste Disposal System](https://openairdocs.org/jasc/3830)
- Part: Drain Valve
- Part number: 2960019103
- Part serial: 1504B
- Condition: Faulty
- Location: Zone 100
- Stage of operation: TO
- How discovered: O
- Nature of condition: B
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA20170215022

## Discrepancy

AIRCRAFT WAS GROUNDED. AFTER TAKEOFF, STRONG ODOR IN COCKPIT AND IN CABIN, DISSIPATED AFTER 10 MINUTES. REMOVED AND REPLACED FORWARD GRAY WATER DRAIN VALVE IAW AMM 38-31-02. OPERATIONAL CHECK GOOD.

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