# SDR HALA2011100500431

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 5, 2011
- Submitted: October 6, 2011
- Operation: Air carrier
- Aircraft: [N581HA](https://openairdocs.org/aircraft/N581HA), registered now
- Make and model: Boeing 767-33A
- Registry model: [Boeing 767-33A](https://openairdocs.org/model/boeing-767-33a) (OpenAirDocs)
- Aircraft serial: 28141
- Aircraft time: 37,099 hours, 6,935 cycles
- System (JASC): [3610 · Pneumatic Distribution System](https://openairdocs.org/jasc/3610)
- Part: Shutoff Valve
- Part number: 77328810
- Part serial: 104050
- Condition: Failed
- Part time: 37,099 hours, 6,935 cycles
- Stage of operation: IN
- How discovered: C
- Nature of condition: L
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/HALA2011100500431

## Discrepancy

ETOPS SIGNIFICANT SYS - LEFT HPSOV REPLACED ON AIR NZ S/O 51952126, FAILED.  DURING AIR SUPPLY BITE TEST.  AR767-AMM-36-002 ACCOMP DURING ENGINE RUN.  OPS CHECKED GOOD.

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