# SDR AALA20161114012

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 14, 2016
- Submitted: November 16, 2016
- Operation: Air carrier
- Aircraft: [N8027D](https://openairdocs.org/aircraft/N8027D), registered now
- Make and model: Airbus A319-115
- Registry model: [Airbus A319-115](https://openairdocs.org/model/airbus-a319-115) (OpenAirDocs)
- Aircraft serial: 6437
- Aircraft time: 5,228 hours, 2,351 cycles
- System (JASC): [2916 · Hydraulic Reservoir, Main](https://openairdocs.org/jasc/2916)
- Part: O-Ring
- Condition: Missing
- 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/AALA20161114012

## Discrepancy

AIRCRAFT WAS GROUNDED. CUN, AIR INTERRUPT, MIA-MEX. EMERGENCY DECLARED. LANDING UNEVENTFUL. DURING CRUISE, RECEIVED YELLOW HYDRAULIC SYSTEM LOW PRESSURE WARNING ACCOMPANIED BY FLUID LOSS. MAINTENANCE FOUND INTERNAL -O- RING, ON THE YELLOW RESERVOIR DRAIN VALVE MISSING. REMOVED AND REPLACED DRAIN VALVE IAW AMM 29-13-41. OPERATIONAL AND LEAK CHECK NORMAL.

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