# SDR HALA0800522

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 8, 2008
- Submitted: April 12, 2008
- Operation: Air carrier
- Aircraft: [N597HA](https://openairdocs.org/aircraft/N597HA), registered now
- Make and model: Boeing 767332
- Aircraft serial: 23277
- Aircraft time: 62,549 hours, 29,649 cycles
- System (JASC): [3610 · Pneumatic Distribution System](https://openairdocs.org/jasc/3610)
- Part: Isolation Valve
- Part number: 2780539103
- Part serial: 0557
- Condition: Malfunctioned
- Stage of operation: TX
- How discovered: O
- Nature of condition: O
- Precautionary procedure: D
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/HALA0800522

## Discrepancy

ETOPS SIGNIFICANT SYSTEM DURING TAXI RIGHT BLEED ISOLATION VALVE EICAS MESSAGE RECEIVED.  UNABLE TO RESET.  REPLACED RIGHT ISOLATION VALVE PER AMMM 36-11-04, OPS CHECK LEAK CHECK OK.

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