# SDR 2021F00344

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 17, 2021
- Submitted: December 16, 2021
- Operation: General aviation
- Aircraft: [N446AM](https://openairdocs.org/aircraft/N446AM), registered now
- Make and model: Boeing 787-9
- Registry model: [Boeing 787-9](https://openairdocs.org/model/boeing-787-9) (OpenAirDocs)
- Aircraft serial: 39292
- Aircraft time: 15,288 hours, 1,803 cycles
- System (JASC): [2911 · Hydraulic Power Accumulator, Main](https://openairdocs.org/jasc/2911)
- Part: None
- Part number: 5306508
- Part serial: 530650530
- Condition: Leaking
- Location: Zone 400
- Stage of operation: IN
- How discovered: V
- Nature of condition: K
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2021F00344

## Discrepancy

HYDRAULIC LEAK IN RIGHT ENGINE, DURING TRANSIT CHECK, A HYDRAULIC LEAK WAS DETECTED IN RIGHT ENGINE. MAINTENANCE PERSONNEL PERFORMED REVISION DETECTING DRAIN MAST WITH HYDRAULIC LEAK OF 13 DROPS PER MINUTE; SO THE RIGHT ENGINE EDP WAS REPLACED IAW DMC-B787-A-29-11-02-00B-520A/720A-A, TESTED CORRECT

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.