# SDR IPXA2019062854734

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 25, 2019
- Submitted: June 28, 2019
- Operation: Air carrier
- Aircraft: [N257UP](https://openairdocs.org/aircraft/N257UP), registered now
- Make and model: Doug MD-11F
- Registry model: [Doug MD-11F](https://openairdocs.org/model/mcdonnell-douglas-md-11f) (OpenAirDocs)
- Aircraft serial: 48451
- Aircraft time: 75,662 hours, 15,550 cycles
- System (JASC): [2910 · Hydraulic System, Main](https://openairdocs.org/jasc/2910)
- Part: Line
- Part number: ARK7550549
- Condition: Broken
- Location: Hyd System
- Stage of operation: CL
- How discovered: O
- Nature of condition: K, J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/IPXA2019062854734

## Discrepancy

AIR TURNBACK AFTER TAKE OFF.  RECEIVED LEVEL 2 ALERT HYD 3 FAIL.  DURING INSPECTION, FOUND THE LT LANDING GEAR HYD TRIM CYLINDER PRESSURE PIPE BROKEN.  TEMP REPAIR OF HYD RIGID PIPES WITH FLEXIBLE WAS APPROVED BY ENGINEERING IAW AMM 20-10-01-300-805, THREE FLEXIBLE HOSES INSTALLED IAW AMM 20-10-01-300-805. LEAK CHECKED 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.