# SDR FDEA2018043001130

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 25, 2018
- Submitted: May 1, 2018
- Operation: Air carrier
- Aircraft: [N576FE](https://openairdocs.org/aircraft/N576FE), registered now
- Make and model: Doug MD-11F
- Registry model: [Doug MD-11F](https://openairdocs.org/model/mcdonnell-douglas-md-11f) (OpenAirDocs)
- Aircraft serial: 48501
- Aircraft time: 79,221 hours, 18,175 cycles
- System (JASC): [2910 · Hydraulic System, Main](https://openairdocs.org/jasc/2910)
- Part: Hose
- Condition: Leaking
- Location: Hyd System
- Stage of operation: CR
- 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/FDEA2018043001130

## Discrepancy

LEVEL 1 HYD 3 ELEVATOR OFF ALERT.  QUANTITY WAS 4.7. AFTER APPROXIMATELY 5 MINUTES , QUANTITY DROPPED TO 3.9. AT QUANTITY 3.5 THE ELEVATOR OFF ALERT WENT WAY AND LEVEL 1 HYD  3 OFF APPEARED AND QUANTITY STABILIZED. DURING DECENT, WHEN SPOILERS WERE DEPLOYED,  QUANTITY BEGAN TO DECREASE. AT 1.6,  SLATS AND GEAR  WERE  BOTH EXTENDED AND THEN LEVEL 2 HAD 3 FAIL  ALERT.  QUANTITY DROPPED TO 0.8.   REMOVED REPLACED DAMAGED HOSE IAW MM 29-11-22-4 AND 20-40-01-2. SERVICED HYD FLUIDE IAW MM 12-13-02-3. RAN #3 ENG,  NO LEAK FOUND IAW JRH.  ACFT 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.