# SDR CALA2025120711816

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 3, 2025
- Submitted: December 8, 2025
- Operation: Air carrier
- Aircraft: [N37507](https://openairdocs.org/aircraft/N37507), registered now
- Make and model: Boeing 737-9
- Registry model: [Boeing 737-9](https://openairdocs.org/model/boeing-737-9) (OpenAirDocs)
- Aircraft serial: 43437
- Aircraft time: 17,551 hours, 5,832 cycles
- System (JASC): [3830 · Waste Disposal System](https://openairdocs.org/jasc/3830)
- Part: Motor
- Part number: 410038700303
- Part serial: 14012202
- Condition: Failed
- Location: Lavatory
- Part time: 35,534 hours, 12,642 cycles
- Stage of operation: IN
- How discovered: V
- Nature of condition: B
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2025120711816

## Discrepancy

LAV E FLUSH MOTOR EXTREMELY HOT TO TOUCH AND BURNING ODOR IS PRESENT IN LAV.   DISCONNECTED FLUSH SWITCH CONNECTOR IAW AMM 38-32-04, CONNECTORS STOWED.  FBO VERIFIED NO BURNING SMELL PRESENT AT THIS TIME.    REPLACED TOILET IAW AMM 38-32-01-000-806.  OPS CHECKED GOOD.

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