# SDR AALA2019061209036

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 9, 2019
- Submitted: June 12, 2019
- Operation: Air carrier
- Aircraft: [N834AA](https://openairdocs.org/aircraft/N834AA), registered now
- Make and model: Boeing 787-9
- Registry model: [Boeing 787-9](https://openairdocs.org/model/boeing-787-9) (OpenAirDocs)
- Aircraft serial: 40653
- Aircraft time: 5,670 hours, 563 cycles
- System (JASC): [2910 · Hydraulic System, Main](https://openairdocs.org/jasc/2910)
- Part: Hose
- Condition: Ruptured
- Location: Hyd Pump
- Component: Pump, Parkerhanfin
- Stage of operation: TX
- How discovered: O
- Nature of condition: K, J
- Precautionary procedure: D
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA2019061209036

## Discrepancy

AIRCRAFT WAS GROUNDED: PILOT REPORTS ON TAXI HYD QTY LOW C ON EICAS. CENTER QTY TO 0. NOSE STEERING LOST. MAINTENANCE REPORTS CENTER SYSTEM HYDRAULIC PUMP 1 CATASTROPHIC FAILURE OF UNION TO PRESSURE SUPPLY HOSE. REMOVED AND REPLACED CENTER SYSTEM HYDRAULIC PUMP 1. OPS AND LEAK CHECKS GOOD.

---
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.