# SDR CALA2026091419387

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 12, 2026
- Submitted: September 14, 2026
- Operation: Air carrier
- Aircraft: [N13110](https://openairdocs.org/aircraft/N13110), registered now
- Make and model: Boeing 757224
- Aircraft serial: 27300
- Aircraft time: 116,171 hours, 27,549 cycles
- System (JASC): [3830 · Waste Disposal System](https://openairdocs.org/jasc/3830)
- Part: Lavatory
- Condition: Odor
- Location: Zone 900
- Stage of operation: IN
- 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/CALA2026091419387

## Discrepancy

ACFT CABIN HAS  RANCID ODOR. FULL LAV SERVICE COMPLETED.  WALKAROUND FOUND VERY STRONG ODOR COMING OUT OF OUTFLOW VALVE.  GAINED ACCESS TO BACK OF OUTFLOW VALVE & LAV SERVICE PANEL. IDENTIFIED STRONG FOUL ODOR. LIKELY COMING FROM THIS AREA.  IDENTIFIED SMALL AREAS OF DRIED LAV JUICE RESIDUE ON INSULATION BLANKETS. REMOVED LAV K TOILET SHROUD FOUND A BUNCH OF OLD NAPKINS COVERED IN BLUE JUICE.  CLEANED BLUE JUICE & NAPKINS IN LAV K . ODOR CONTINUES FURTHER T/S REQUIRED. CALLED FOR LAV SERVICE. DUMPED & SERVICED AFT LAVS TWICE. COULD NOT IDENTIFY ANY LEAKS FROM TOILET TANK OR DUMP CHUTE.  R & R DETERIORATED SECTION OF THE INSULATION BLANKET ABOVE OUTFLOW IAW AMM 25-50-07. VENTED OUT ODOR. NO ODOR NOTED IN CABIN.

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