# SDR CALA2026012013105

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 19, 2026
- Submitted: January 20, 2026
- Operation: Air carrier
- Aircraft: [N29971](https://openairdocs.org/aircraft/N29971), registered now
- Make and model: Boeing 787-9
- Registry model: [Boeing 787-9](https://openairdocs.org/model/boeing-787-9) (OpenAirDocs)
- Aircraft serial: 60147
- Aircraft time: 38,535 hours, 3,647 cycles
- System (JASC): [2913 · Hydraulic Pump (Electric/Engine), Main](https://openairdocs.org/jasc/2913)
- Part: Shaft
- Condition: Damaged
- Location: Hyd Pump
- Component: Pump, Parker
- Component part number: 5306509
- Stage of operation: CR
- 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/CALA2026012013105

## Discrepancy

HYD PRESS PRI R EICAS PUMP OFF PER ECL PUMP STILL HAS FAULT REMOVED THE RIGHT ENGINE DRIVEN PUMP, FOUND DAMAGE TO THE SHAFT. IN ACCORDANCE WITH DMC B787-A-29-11-02-00B-520A-A FITTED ENGINE DRIVEN PUMP ON RIGHT ENGINE TO DMC-B787-A-29-11-02-00B-720A-A. COMPLETED ALL STEPS UP TO INSTALLATION TEST ONLY. PARAGRAPH D INSTALLATION TEST NEEDS TO BE COMPLETED. CARRIED OUT INSTALLATION TEST PARAGRAPHS D E AND F, INCLUDING AMM B787-A-29-11-00-46A-950A-A FLUSHING REQUIREMENT. LEAK TEST OK. NO DIFFERENTIAL PRESSURE PROBLEMS. OK FOR SERVICE PARTS ADD, INSTALLATION COMPLETED USING CROW BAR TOOL TO DMC-B787-A-29-11-02-00B-720A-A, VBAND CLAMP REPLACED AND SOLENOID REPLACED WITH REF TO TASK 7644898 PARTS USED: 25-7200-3-0340,QTY :1  78-7921-3-0002,QTY :1  78-2900-3-0041,QTY ADD EMP:V939563, :1 00-0586-3-2622,QTY :1  78-2912-3-0002,QTY :1 78-7311-3-0061,QTY :1  00-0585-3-1586,QTY :1  78-7321-3-0020,QTY :1  00-0606-3-0032,QTY :1  78-2900-3-0042,QTY :1 78-7900-3-0003,QTY :1  78-2900-3-0043,QTY :1  78-2900-3-0038,QTY :1  78-7311-3-0040,QTY :1  00-0584-3-1409,QTY :1 78-7264-3-0014,QTY :1  78-7311-3-0059,QTY :1  78-2900-3-0058,QTY :1  78-2911-9-9002,QTY :1 MFG PN ON - 53065-09 MFG SN ON - 530652733 M&E SN ON - 02733 M&E PN ON - 78-2911-9-9002 MFG SN OFF - 530652085 MFG PN OFF - 53065-09 ROTABLE PARTS CHG:TT # 1376629 SN OFF 2085 PN OFF 78-2911-9-9002 PUMP, HYD ENG D  OFF 78-2911-9-9002 2085 ON 78-2911-9-9002 2733

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