# SDR AALA202602132706

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 12, 2026
- Submitted: February 14, 2026
- Operation: Air carrier
- Aircraft: [N318SF](https://openairdocs.org/aircraft/N318SF), registered now
- Make and model: Boeing 737-8
- Registry model: [Boeing 737-8](https://openairdocs.org/model/boeing-737-8) (OpenAirDocs)
- Aircraft serial: 44473
- Aircraft time: 15,909 hours, 5,927 cycles
- System (JASC): [3830 · Waste Disposal System](https://openairdocs.org/jasc/3830)
- Part: Drain Valve
- Condition: Clogged
- Location: Zone 900
- Stage of operation: NR
- How discovered: O
- Nature of condition: B
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA202602132706

## Discrepancy

AIRCRAFT WAS GROUNDED: A REPEAT WRITE UP THE FLIGHT ATTENDANTS REPORTED ROTTEN EGG SMELL IN AFT GALLEY. ACCOMPLISHED WORK CARD 09L00021001. FOUND CLOGGED DRAIN VALVE. CLEAN GRAY WATER SYSTEM DRAIN. PER AMM 38-31-00. OPS CHECKED GOOD, NO MORE ODOR.

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