# SDR HALA2010061400258

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 14, 2010
- Submitted: June 15, 2010
- Operation: Air carrier
- Aircraft: [N593HA](https://openairdocs.org/aircraft/N593HA), registered now
- Make and model: Boeing 767333
- Aircraft serial: 33424
- Aircraft time: 27,547 hours, 5,299 cycles
- Engine: Pwa PW4060
- System (JASC): [2913 · Hydraulic Pump (Electric/Engine), Main](https://openairdocs.org/jasc/2913)
- Part: Modulating Valve
- Part number: 32143363
- Part serial: 1360
- Condition: Failed
- Location: Hyd Pump
- Stage of operation: TX
- 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/HALA2010061400258

## Discrepancy

ETOPS SIGNIFICANT SYS - CTR HYD DEMAND PUMP EICAS ILLUM ON ARRIVAL.  REMOVED THE MODULATING VALVE FOR THE ADP IAW AMM 29-11-04. 4526.  INSTALLED ADP VALVE IAW AMM 29-11-04 OPS CHECK IAW AMM 29-11-00/501. NO LEAKS NOTED.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.