# SDR DALA2026100905573

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 7, 2026
- Submitted: October 9, 2026
- Operation: Air carrier
- Aircraft: [N430DX](https://openairdocs.org/aircraft/N430DX), registered now
- Make and model: Airbus A330-941
- Registry model: [Airbus A330-941](https://openairdocs.org/model/airbus-a330-941) (OpenAirDocs)
- Aircraft serial: 2069
- Aircraft time: 10,412 hours, 1,263 cycles
- Engine: Rroyce TRENT700072C
- System (JASC): [7261 · Turbine Engine Oil System](https://openairdocs.org/jasc/7261)
- Part: Oil System
- Condition: Leaking
- Location: Engine
- Stage of operation: CL
- How discovered: O
- Nature of condition: K, J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA2026100905573

## Discrepancy

AIRCRAFT RETURNED TO ACC DUE TO LEFT ENGINE OIL LOSS.   REPLACED NUMBER ONE ENGINE. OK FOR SERVICE. (9531653) AIRCRAFT WAS GROUNDED. ENGINE S/N 75346, TT: 10412, TC: 1263.

---
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.