# SDR UIEA2013112500570

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 25, 2013
- Submitted: November 25, 2013
- Operation: Air carrier
- Aircraft: [N459MC](https://openairdocs.org/aircraft/N459MC), registered now
- Make and model: Boeing 747-400
- Registry model: [Boeing 747-400](https://openairdocs.org/model/boeing-747-400) (OpenAirDocs)
- Aircraft serial: 26344
- Aircraft time: 76,909 hours, 15,052 cycles
- System (JASC): [3610 · Pneumatic Distribution System](https://openairdocs.org/jasc/3610)
- Part: Shutoff Valve
- Part number: 80217011
- Part serial: 900631
- Condition: Inoperative
- Location: Nr 4
- Stage of operation: CR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UIEA2013112500570

## Discrepancy

EICAS MESSAGE BLEED 4, NACELLE ANTI-ICE INOPERATIVE.  REPLACED  NR 4 HPSOV, OPS CHECKS NORMAL.

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