# SDR AALA201907179007

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 15, 2019
- Submitted: July 17, 2019
- Operation: Air carrier
- Aircraft: [N878NN](https://openairdocs.org/aircraft/N878NN), registered now
- Make and model: Boeing 737823
- Aircraft serial: 40768
- Aircraft time: 24,509 hours, 9,920 cycles
- System (JASC): [3830 · Waste Disposal System](https://openairdocs.org/jasc/3830)
- Part: Drain Valve
- Condition: Unreliable
- Location: Zone 100
- Stage of operation: CL
- 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/AALA201907179007

## Discrepancy

AIRCRAFT WAS GROUNDED: PILOT REPORTS AFTER TAKEOFF, A STRONG ODOR WAS IN FORWARD GALLEY WITH FLUID RISING FROM DRAINS IN THE FORWARD ENTRY DOOR L1. MAINTENANCE REMOVED AND REPLACED FWD SILL DRAIN VALVE IAW AMM 38-21-06. OPS CHECK GOOD.

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