# SDR P5CA9700300

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 10, 1997
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N854FT
- Make and model: Boeing 747122
- Aircraft serial: 19754
- System (JASC): [3240 · Landing Gear Brake System](https://openairdocs.org/jasc/3240)
- Part: End Cap
- Part number: 1456613267
- Condition: Failed
- Location: Brake Syst
- Stage of operation: CR
- Nature of condition: K
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/P5CA9700300

## Discrepancy

NR 4 HYDRAULIC SYSTEM LOST 7 GALLONS.  ISOLATION PROCEDURE SHOWED EDP LOSING FLUID.  NR 1 HYDRAULIC SYSTEM LOST ALL FLUID WHEN SECONDARY BRAKE SOURCE SELECTED DUE TO NR 4 SYSTEM FLUID LOSS.  FOUND END CAP ON BRAKE SYSTEM RETURN SURGE ACCUMULATOR BROKEN OFF.  REPLACED END CAP, CHECKED PRESSURE, AND RETURN FILTERS.  OPERATIONAL AND LEAK CHECKS PERFORMED PER 29-24-10, 32-41-22 AND 32-41-00.  ACCUMULATOR TO BE REPLACED AT JFK.

---
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.