# SDR 95FDEA01073

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 4, 1995
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N143FE](https://openairdocs.org/aircraft/N143FE), registered now
- Make and model: Boeing 727-21C
- Registry model: [Boeing 727-21C](https://openairdocs.org/model/boeing-727-21c) (OpenAirDocs)
- Aircraft serial: 19136
- System (JASC): [2910 · Hydraulic System, Main](https://openairdocs.org/jasc/2910)
- Part: Hyd Lines
- Condition: Failed
- Location: Nlg
- Stage of operation: CL
- Nature of condition: K, J
- Precautionary procedure: A, H
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/95FDEA01073

## Discrepancy

A-SYS FAILURE UPON GEAR RETRACTION, QTY ZERO, PRESS ZERO, RED PAGE COMPLIED WITH.  APPROXIMATELY 5 MINS FLT TIME WITH FLUID SHUTOFF, PUMPS ON, 9 MINS WITH THEM OFF.  HYDRAULIC PUMPS RAN 1 MIN PRIOR TO TURNING THEM OFF.  FOUND HOLE IN RETRACT LINE IN NOSE GEAR.  REPLACED RETRACT AND EXTEND FLEX LINES.  INSPECTED AND REPLACED NR 1 AND NR 2 ENG HYD PUMP CASE DRAIN FILTERS AND BOTH PRESS FILTERS ON A MODULE.  NO CONTAMINATION FOUND, LEAK CK GOOD.  SVC HYD SYS TO FULL, OK FOR SERVICE.

---
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.