# SDR DALA2019040402205

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 30, 2019
- Submitted: April 5, 2019
- Operation: Air carrier
- Aircraft: [N328DN](https://openairdocs.org/aircraft/N328DN), registered now
- Make and model: Airbus A321-211
- Registry model: [Airbus A321-211](https://openairdocs.org/model/airbus-a321-211) (OpenAirDocs)
- Aircraft serial: 7840
- Aircraft time: 4,328 hours, 2,025 cycles
- Engine: Cfmint CFM565B33
- Engine time: 4,768 hours, 3,343 cycles
- System (JASC): [2910 · Hydraulic System, Main](https://openairdocs.org/jasc/2910)
- Part: B-Nut
- Condition: Loose
- Location: Hyd System
- Stage of operation: CL
- How discovered: O
- Nature of condition: K, J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA2019040402205

## Discrepancy

SHIP 3028 - ALT GEAR EXT - LOST THE GREEN HYD SYSTEM QUANTITY ON CLIMB OUT. CREW PERFORMED ALT GEAR EXTENSION AND LANDED UNEVENTFULLY AT DESTINATION. CORRECTIVE ACTION: LOOSE "B" NUT FOUND ON CASE DRAIN LINE AT FILTER HOUSING ABOVE THE ENG-1 HYDRAULIC PUMP. TORQUED B NUT AND LEAK CHECKED OK. REPLACED ENG-1 HYD PUMP AND FILTER.

---
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.