# SDR YENA2026033000348

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 27, 2026
- Submitted: March 30, 2026
- Operation: Air carrier
- Aircraft: [N2105J](https://openairdocs.org/aircraft/N2105J), 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: 10101
- Aircraft time: 18,604 hours, 3,477 cycles
- System (JASC): [2997 · Hydraulic Power System Wiring](https://openairdocs.org/jasc/2997)
- Part: Contactor
- Part number: 564CA04A11Y00
- Part serial: 82962
- Condition: Damaged
- Location: Hyd Pump
- Part time: 18,604 hours, 3,477 cycles
- Stage of operation: NR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/YENA2026033000348

## Discrepancy

FLT 334 SFO-SFO (ETOPS).  AFTER ENGINE START HYDRAULIC SYSTEM B LOW PRESSURE.; REF LG 4392214 FOR REMOVED AND REPAIR OF (2705GJ) CONTACTOR. (REF LG 4392214-1: PER TSM  29-12-00810-805-A STEP  2(B) SOL VALVE LEAKAGE MEAS (2160G) CORRECT IN VALVE, NEXT STEP IS MAINIFOLD, FURTHER TROUBLESHOOTING REQUIRED), (REF LG 4392214-2:PER TSM 29-12-00-810-804-A  R + R BLUE ELECTRIC PUMP CONTACTOR VIN 2705GJ REF AMM 29-12-55-000-001-A, AMM 29-12-55-400-001-A. OPS CK GD) . PEROFRMED OPS CHK OF HYDRAULIC SYSTEM IAW AMM 29-10-00-863-003-A01 AND IDLE RUN IAW AMM 71-00-00-710-028. A/C OK FOR SVC

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