# SDR HALA20250721221

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 19, 2025
- Submitted: July 21, 2025
- Operation: Air carrier
- Aircraft: [N780HA](https://openairdocs.org/aircraft/N780HA), registered now
- Make and model: Boeing 787-9
- Registry model: [Boeing 787-9](https://openairdocs.org/model/boeing-787-9) (OpenAirDocs)
- Aircraft serial: 66428
- Aircraft time: 4,717 hours, 866 cycles
- System (JASC): [2900 · Hydraulic Power System](https://openairdocs.org/jasc/2900)
- Part: Hydraulic System
- Condition: Faulted
- Stage of operation: CL
- 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/HALA20250721221

## Discrepancy

ATB - SHORTLY AFTER TAKEOFF HYD PUMP C1. PER FIM 24-00-F9-DRA-421A, FOUND EVIDENCE OF DAMAGE ON LEFT-1 ATRU. REPLACED LEFT-1 ATRU PER AMM B787-A-24-35-00-00A. AND REPLACED SOFT START RESISTOR PER AMM B787-A-24-15-09-00A. ALL TEST GOOD, A/C OK FOR SVC.

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