# SDR 03FDEA01809

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 28, 2003
- Submitted: November 3, 2003
- Operation: Air carrier
- Aircraft: [N585FE](https://openairdocs.org/aircraft/N585FE), registered now
- Make and model: Doug MD-11
- Registry model: [Doug MD-11](https://openairdocs.org/model/mcdonnell-douglas-md-11) (OpenAirDocs)
- Aircraft serial: 48481
- Aircraft time: 40,595 hours, 7,719 cycles
- System (JASC): [5412 · Nacelle/Pylon, Bulkhead/Firewall](https://openairdocs.org/jasc/5412)
- Part: Bulkhead
- Part number: AUB7520
- Condition: Damaged
- Location: Nr 1 Pylon
- Part time: 22,904 hours, 3,643 cycles
- Stage of operation: IN
- How discovered: V
- Nature of condition: K
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/03FDEA01809

## Discrepancy

MX REPORTED FINDING HYDRAULIC FLUID ACCUMULATED INSIDE OF THE NR 1 ENGINE PYLON DUE TO THE LEAK AT AUK7617-5001 HYDRAULIC LINE.  HYDRAULIC LEAK WAS FIXED AND PYLON VISUALLY INSPECTED FOR INTEGRITY/SECURITY PRIOR TO ANC/LAX LEG.  A FOLLOW UP CONDITIONAL INSPECTION FOR SUSPECTED TITANIUM MEMBERS THAT MIGHT HAVE OR WOULD MORE THAN LIKELY BECOME HYDROGEN EMBRITTLED DUE TO HOT HYDRAULIC FLUID CONTAMINATION WAS REQUESTED PER EA 1-5450-74134.  REMOVED AND REPLACED NR 1 ENG PYLON BULKHEADS (4 EA) EA 1-5450-74184 STEPS 1 THRU 11.  AIRCRAFT RELEASED FOR REVENUE 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.