# SDR UIEA2017081001455

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 10, 2017
- Submitted: August 11, 2017
- Operation: Air carrier
- Aircraft: [N418MC](https://openairdocs.org/aircraft/N418MC), registered now
- Make and model: Boeing 747-47UF
- Registry model: [Boeing 747-47UF](https://openairdocs.org/model/boeing-747-47uf) (OpenAirDocs)
- Aircraft serial: 32840
- Aircraft time: 60,605 hours, 9,552 cycles
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: Valve
- Part number: 8085501
- Part serial: 2008031546
- Condition: Malfunctioned
- Location: Flow
- Stage of operation: CR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UIEA2017081001455

## Discrepancy

E/E COOLING F/D LOW FLOW STATUS MSG ACCOMPANIED BY SMELL OF BURNING ON FLIGHT DECK WITH NO SMOKE SEEN. PERFORMED TROUBLESHOOTING IAW FIM 21-58 TASK 833.  REPLACED FLOW REGULATING VALVE.  ALL TESTS PASSED.

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