# SDR ABXA010131

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 13, 2001
- Submitted: April 13, 2001
- Operation: Air carrier
- Aircraft: [N773AX](https://openairdocs.org/aircraft/N773AX), registered now
- Make and model: Boeing 767281
- Aircraft serial: 22788
- Aircraft time: 38,204 hours, 34,148 cycles
- System (JASC): [2913 · Hydraulic Pump (Electric/Engine), Main](https://openairdocs.org/jasc/2913)
- Part: Pump
- Part number: 3508807
- Part serial: MX448921
- Condition: Failed
- Location: Nr 1 Engine
- Part time: 697 hours, 242 cycles
- 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/ABXA010131

## Discrepancy

THE LEFT HYDRAULIC QUANTITY WENT TO ZERO IN FLIGHT.  THE LEFT ENGINE PRIMARY HYDRAULIC PRESSURE LIGHT ILLUMINATED.  MAINTENANCE INSPECTED AND REPLACED THE NR 1 ENGINE DRIVEN HYDRAULIC PUMP IAW B767 MM 29-11-05.

---
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.