# SDR ASAA2023072944336

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 29, 2023
- Submitted: August 2, 2023
- Operation: Air carrier
- Aircraft: N922VA
- Make and model: Airbus A321-253N
- Registry model: [Airbus A321-253N](https://openairdocs.org/model/airbus-a321-253n) (OpenAirDocs)
- Aircraft serial: 07639
- Aircraft time: 18,758 hours, 4,803 cycles
- System (JASC): [2910 · Hydraulic System, Main](https://openairdocs.org/jasc/2910)
- Part: Line
- Part number: UNKNOWN
- Condition: Leaking
- Location: Hyd System
- Stage of operation: CR
- How discovered: V
- Nature of condition: K
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2023072944336

## Discrepancy

ENROUTE LOSS OF YELLOW HYDRAULIC QUANTITY GROUNDED - YES. PRESSURE ASSEMBLY LEAKING AT FILTER IN LINE "B" NUT CONNECTION. REMOVED PRESSURE ASSY REF AMM 29-13-49-000-813-A. INSTALLED #2 ENG/PYLON PRESSURE LINE AS FOLLOWS PN: D2902083900000 ITEM #2, ITEM #1 AND ITEM #3 IAW AMM 29-13-49-400-813A. INSTALLATION AND LEAK CHECK 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.
