# SDR 06FDEA0016

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 4, 2006
- Submitted: January 9, 2006
- Operation: Air carrier
- Aircraft: [N180FE](https://openairdocs.org/aircraft/N180FE), registered now
- Make and model: Boeing 727-100
- Registry model: [Boeing 727-100](https://openairdocs.org/model/boeing-727-100) (OpenAirDocs)
- Aircraft serial: 18867
- Aircraft time: 75,347 hours, 58,812 cycles
- System (JASC): [2910 · Hydraulic System, Main](https://openairdocs.org/jasc/2910)
- Part: O-Ring
- Condition: Leaking
- Location: Hydraulic Sys
- Stage of operation: CR
- How discovered: O
- Nature of condition: K
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/06FDEA0016

## Discrepancy

JUST AFTER LEVEL OFF AT 16000 EXPERIENCED COMPLETE SYS-A HYD FAILURE.  QTY AND PRESSURE BOTH WENT IMMEDIATELY TO ZERO.  RAN QRH CHECKLIST, TIMED SYS-A FLUID SHUTOFF SWITCHES OFF FOR 55 MIN TO LANDING.  LED NR 5 AMBER AND GREEN LIGHTS ON, ALL SLATS AND LED LIGHTS WERE GREEN.  WHILE TROUBLESHOOTING HYDRAULIC LEAK IN LT W/W FOUND O-RING ON HYDRAULIC FLOW VALVE ON AFT BULKHEAD LEAKING.  REMOVED AND REPLACED O-RING ON HYD VALVE PER 27-100 SMP.

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