# SDR DALA2026040102123

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 1, 2026
- Submitted: April 1, 2026
- Operation: Air carrier
- Aircraft: [N831NW](https://openairdocs.org/aircraft/N831NW), registered now
- Make and model: Airbus A330-302
- Registry model: [Airbus A330-302](https://openairdocs.org/model/airbus-a330-302) (OpenAirDocs)
- Aircraft serial: 1783
- Aircraft time: 38,126 hours, 4,854 cycles
- System (JASC): [2910 · Hydraulic System, Main](https://openairdocs.org/jasc/2910)
- Part: Ram Air Turb
- Part number: 1720399
- Part serial: 03266
- Condition: Stuck
- Location: Zone 100
- Part time: 35,476 hours, 4,522 cycles
- Stage of operation: IN
- How discovered: O
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA2026040102123

## Discrepancy

RAT UNABLE TO MANUAL DEPLOY.   REPLACED RAM AIR TURBINE PER A330 AMM PER 29-24-56. OK FOR SERVICE. (1523048) AIRCRAFT WAS GROUNDED.

---
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.
