# SDR 2000UALA00157

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 27, 2000
- Submitted: October 4, 2000
- Operation: Air carrier
- Aircraft: [N117UA](https://openairdocs.org/aircraft/N117UA), registered now
- Make and model: Boeing 747422
- Aircraft serial: 28810
- Aircraft time: 5,008 hours, 713 cycles
- Engine: Pwa PW4056
- System (JASC): [3810 · Potable Water System](https://openairdocs.org/jasc/3810)
- Part: Compressor
- Part number: 384201169
- Condition: Failed
- Location: Potable Water
- Part time: 5,008 hours
- Stage of operation: UK
- How discovered: O
- Nature of condition: B
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2000UALA00157

## Discrepancy

HOT ELECTRICAL ODOR SMELLED IN COCKPIT AND FRONT OF FIRST CLASS AREA.  *S/D*  POTABLE WATER SYSTEM AIR COMPRESSOR WAS FOUND TO HAVE BEEN OVERHEATING AND SMOKING.  SHOP FINDINGS FOUND WATER IN COMPRESSOR.  REPLACED AIR COMPRESSOR AND UNLOADER CHECK VALVE.

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