# SDR AALA202303073929

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 23, 2023
- Submitted: March 7, 2023
- Operation: Air carrier
- Aircraft: [N199UW](https://openairdocs.org/aircraft/N199UW), registered now
- Make and model: Airbus A320*
- Aircraft serial: 5475
- Aircraft time: 31,350 hours, 12,658 cycles
- System (JASC): [2910 · Hydraulic System, Main](https://openairdocs.org/jasc/2910)
- Part: Hydraulic Line
- Part number: D2917000902000
- Condition: Broken
- Location: Zone 100 - Fuse
- Stage of operation: TO
- How discovered: V
- Nature of condition: J, K
- Precautionary procedure: A, O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA202303073929

## Discrepancy

AIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED AND THE AIRCRAFT RETURNED TO LAS DUE TO A YELLOW HYDRAULIC SYSTEM RESERVOIR LOW PRESSURE MESSAGE ON DEPARTURE SHORTLY AFTER FLAP RETRACTION. THE AIRCRAFT LANDED SAFELY AT LAS WHERE IT WAS TOWED TO THE GATE. **SUPPLEMENTAL REPORT FOR AALA202302243929: MAINTENANCE FOUND ELECTRIC PUMP 3083GM CHECK VALVE TUBE ASSEMBLY BROKEN CLEAN THROUGH AND THE YELLOW HYDRAULIC SYSTEM PRESSURE LINE IN THE PYLON LEAKING. (AALA202303077492) MAINTENANCE REPLACED BOTH HYDRAULIC LINES / TUBES AND ACCOMPLISHED A SATISFACTORY LEAK / OPERATIONAL CHECK. ** (CLOSED)

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