# SDR DALA2018020100711

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 31, 2018
- Submitted: February 7, 2018
- Operation: Air carrier
- Aircraft: [N963DN](https://openairdocs.org/aircraft/N963DN), registered now
- Make and model: Doug MD-90-30
- Registry model: [Doug MD-90-30](https://openairdocs.org/model/mcdonnell-douglas-md-90-30) (OpenAirDocs)
- Aircraft serial: 53533
- Aircraft time: 51,251 hours, 29,522 cycles
- System (JASC): [2910 · Hydraulic System, Main](https://openairdocs.org/jasc/2910)
- Part: Hydraulic Line
- Condition: Leaking
- Location: Hydraulic Sys
- Stage of operation: IN
- How discovered: O
- Nature of condition: K
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA2018020100711

## Discrepancy

RIGHT HYDRAULIC QUANTITY  LOW, RAN QRH SHOWED NORMAL QUANTITY AFTER CONFIGURING, GOT DOWN TO 5 QUARTS ON LANDING.  MAINTENANCE FOUND MAJOR LEAK IN RIGHT ENGINE PYLON, SMALL LEAK ON PTU RIGHT SYSTEM FEED LINE, RETORQUED SAME. FOUND STEADY LEAK DURING DRY MOTOR RIGHT ENGINE ABOVE PNEUMATIC DUCTS FROM MAJOR FEED LINE.  REPLACED DAMAGED LINE.  LEAK AND OPERATION CHECKS GOOD.

---
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.