# SDR CALA2026080318227

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 1, 2026
- Submitted: August 3, 2026
- Operation: Air carrier
- Aircraft: [N849UA](https://openairdocs.org/aircraft/N849UA), registered now
- Make and model: Airbus A319-131
- Registry model: [Airbus A319-131](https://openairdocs.org/model/airbus-industrie-a319-131) (OpenAirDocs)
- Aircraft serial: 1649
- Aircraft time: 70,926 hours, 32,141 cycles
- Engine: Iae V2522A5
- System (JASC): [2910 · Hydraulic System, Main](https://openairdocs.org/jasc/2910)
- Part: Relay
- Part number: E0218UUU010A
- Condition: Faulted
- Location: Zone 100
- Stage of operation: NR
- How discovered: O
- Nature of condition: K, J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2026080318227

## Discrepancy

HYD Y LO LVL ECAM ECAM PROCEDURES FOLLOWED TSM 29-13-00-810 -816-A. UPON ARRIVAL VERIFIED NO HYD LEAKS. NO FAULTS IN SYS AFTER CYCLING HYD AS A PRECAUTION. AS PRECAUTION RECOMMEND CHANGE RELAYS (3816GX, 6MJ) AND SCCB PWR SUPPLY RELAY 3811GX. ON INITIAL EVALUATION HAD PTU FAULT LIGHT AND YELLOW HYD FAULT, CYCLED AND FAULTS WENT AWAY. PER TSM 29-13-00-810-816-A  STEPS 4 (1)A,(2),(4) REMOVED AND REPLACED TIME RELAY 3816GX, RELAY-TIME 6MJ, AND RELAY-SCCB PWR SPLY 3811GX. REF TSM 29-13-00-810-816-A. ENGINE 2 DRY MOTOR, PERFORMED ENG IDLE RUN TO CONFIRM HYD PRESS OPS CHECK NORMAL IAW AMM 71-00-00.

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