# SDR GTIA2026012039251

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 15, 2026
- Submitted: January 20, 2026
- Operation: Air carrier
- Aircraft: [N730NK](https://openairdocs.org/aircraft/N730NK), registered now
- Make and model: Airbus A321-271NX
- Registry model: [Airbus A321-271NX](https://openairdocs.org/model/airbus-s-a-s-a321-271nx) (OpenAirDocs)
- Aircraft serial: 12035
- Aircraft time: 4,499 hours, 1,893 cycles
- System (JASC): [2913 · Hydraulic Pump (Electric/Engine), Main](https://openairdocs.org/jasc/2913)
- Part: Pump
- Part number: 4502310000
- Part serial: 87306
- Condition: Inoperative
- Location: Hyd System
- Part time: 4,502 hours, 1,894 cycles
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/GTIA2026012039251

## Discrepancy

ECAM - HYD Y SYS LO PR - APPEARED 20-30 MINUTES AFTER ITEM 1 ECAM ABOVE ACTUAL Y HDY SYSTEM PRESSURE INDICATED NORMAL AT 3000 PSI ALL RESERVOIR, VALVE, A/ENG PUMP PRESSURES WHERE NORMAL AND GREEN. THE TOP TRIANGLE AND YELLOW LETTERS ON TOP ON SYSTEMS PAGE DISPLAYED IN AMBER. NOSE WHEEL STEERING WAS INOPERATIVE AFTER LANDING.-ACCOMPLISHED T/S IAW TSM 29-13-00-810-805-A AND PRESSURIZED YELLOW HYD SYSTEM IAW AMM 29-24-00-863-001. NO FAULTS FOUND AT THIS TIME A/C OK FOR SERVICE MOC 119918.

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