# SDR AALA20101117TUL07

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 10, 2010
- Submitted: November 17, 2010
- Operation: Air carrier
- Aircraft: N345AN
- Make and model: Boeing 767323
- Aircraft serial: 33084
- Aircraft time: 29,570 hours, 4,727 cycles
- System (JASC): [2910 · Hydraulic System, Main](https://openairdocs.org/jasc/2910)
- Part: O-Ring
- Condition: Broken
- 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/AALA20101117TUL07

## Discrepancy

SCL - CREW REPORTED LEFT HYDRAULIC SYSTEM QUANTITY LOSS.  EMERGENCY DECLARED RETURNED SCL LANDED WITHOUT INCIDENT.  AIRCRAFT REMOVED FROM SERVICE.  FOUND VERTICAL STABILIZER HYDRAULIC MAINFOLD RETURN 3 O-RING BROKEN.  REPLACED O-RING AND LEAK TESTED.  SYSETM GROUND CHECK NORMAL OPERATION.

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