# SDR CALA2026061016994

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 8, 2026
- Submitted: June 10, 2026
- Operation: Air carrier
- Aircraft: [N34562](https://openairdocs.org/aircraft/N34562), 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: 12873
- Aircraft time: 1,190 hours, 450 cycles
- System (JASC): [2913 · Hydraulic Pump (Electric/Engine), Main](https://openairdocs.org/jasc/2913)
- Part: Pump
- Part number: 3022143000
- Part serial: 908
- Condition: Faulted
- Location: Zone 100
- Part time: 1,182 hours, 447 cycles
- Stage of operation: CR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2026061016994

## Discrepancy

HYD B SYS LO PR ELEC PUMP FAULTED AROUNE FL240 CREW REPORTS THIS HAPPENED 20 MINUTES INTO THE FLIGHT.   FOUND C/B 123VU AB9 FOR B HYD ELEC PUMP TRIPPED, CLOSED C/B AND PERFORMED OPS TEST OF BLUE HYD SYS WITH ENG 1 & 2 RUNNING, B HYD SYS TEST OK. CHECKED IN PANEL 107VU FOR CONNECTOR 2705GJ, FOUND NO SIGN OF LOSE OR SHORTED WIRING. CHECKED BEHIND PANEL 123VU, CB AB 9, FOUND NO SIGN OF LOSE OR SHORTED CONNECTIONS IN REF TO SSM 29-12-01 SH 1.  REMOVED AND REPLACED BLUE ELEC HYD PUMP REF MM 29-12-51. PERFORMED BLEEDING PROCEDURES, PUMP OPERATION AND LEAK CHECK GOOD. ALSO OPERATED BLUE HYD PUMP WITH ENGINES IN OPERATION AND NO DEFECTS NOTED. CIRCUIT BREAKER DID NOT POP ON BOTH TESTS.

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