# SDR FDEA2018043001137

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 27, 2018
- Submitted: May 18, 2018
- Operation: Air carrier
- Aircraft: [N596FE](https://openairdocs.org/aircraft/N596FE), registered now
- Make and model: Doug MD-11F
- Registry model: [Doug MD-11F](https://openairdocs.org/model/mcdonnell-douglas-md-11f) (OpenAirDocs)
- Aircraft serial: 48554
- Aircraft time: 83,824 hours, 17,231 cycles
- System (JASC): [2910 · Hydraulic System, Main](https://openairdocs.org/jasc/2910)
- Part: Line
- Part number: AE7081642
- Condition: Cracked
- Location: Hyd System
- Stage of operation: CR
- How discovered: O
- Nature of condition: K, J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/FDEA2018043001137

## Discrepancy

AFTER TAKE OFF, RECEIVED A LEVEL 1 HYD 1 OFF WARNING,  FL  330. HYD 1 QTY 2.5.  QTY DECREASED TO 0.0. RECIEVED  LEVEL 2 HYD 1 FAIL.  FOUND AFT LINE FROM OUTLET SIDE OF RT PUMP TO HYD MANIFOILD HAD CRACKED OUT AT THE REAR END AND CRACKED AT FRONT ON THE NR 1 ENGINE.  REMOVED AND REPLACED ALL OF THE AFT LINES GOING TO UPPER PUMP.  FOUND A BROKEN MOUNT ON THE OTBD LINE,

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