# SDR DALA2018032602035

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 25, 2018
- Submitted: April 6, 2018
- Operation: Air carrier
- Aircraft: [N3741S](https://openairdocs.org/aircraft/N3741S), registered now
- Make and model: Boeing 737832
- Aircraft serial: 30487
- Aircraft time: 55,807 hours, 21,563 cycles
- System (JASC): [3840 · Air Supply (Water Pressure System)](https://openairdocs.org/jasc/3840)
- Part: Check Valve
- Condition: Failed
- Location: Water Pressure
- Stage of operation: IN
- How discovered: 9
- Nature of condition: B
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA2018032602035

## Discrepancy

DURING FLIGHT,  A HOT PLASTIC ODOR WAS IN AFT CABIN.  MAINTENANCE FOUND THE COMPRESSOR SEIZED AND OVERHEATING.  REPLACED THE POTABLE WATER SYS TANK PRESSURE SWITCH AND COMPRESSOR CHECK VALVE IAW AMM 38-42. WATER SYSTEM OPS CHECKED NORMAL.

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