# SDR CALA2026060416832

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 31, 2026
- Submitted: June 4, 2026
- Operation: Air carrier
- Aircraft: [N24988](https://openairdocs.org/aircraft/N24988), registered now
- Make and model: Boeing 787-9
- Registry model: [Boeing 787-9](https://openairdocs.org/model/boeing-787-9) (OpenAirDocs)
- Aircraft serial: 37449
- Aircraft time: 8,117 hours, 790 cycles
- System (JASC): [2913 · Hydraulic Pump (Electric/Engine), Main](https://openairdocs.org/jasc/2913)
- Part: Controller
- Part number: 7000045H04
- Part serial: 8773
- Condition: Faulted
- Location: Hyd Pump
- Part time: 8,112 hours, 789 cycles
- Stage of operation: CL
- 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/CALA2026060416832

## Discrepancy

HYD PUMP C1 MESSAGE IS A COLLECTOR FOR THE FOLLOWING CONDITIONS: PUMP PRESSURE IS NOT WITHIN LIMITS OR CASE TEMPERATURE IS EXCESSIVELY HIGH OR ONE OF TWO 28VDC MOTOR CONTROL POWER CIRCUIT BREAKERS ARE OPEN .MESSAGE IS LATCHED FOR OVERHEAT AND PRESSURE LIMIT FAULTS.  DB 29 HYDIF OPS (LEFT)  FLAP AND SLAT SECONDARY MODE AS WELL AS MAIN LANDING GEAR PRIORITY VALVE VERIFIED TO BE OPERATING NORMALLY.

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