# SDR DALA2026062903822

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 27, 2026
- Submitted: June 29, 2026
- Operation: Air carrier
- Aircraft: [N550DN](https://openairdocs.org/aircraft/N550DN), registered now
- Make and model: Airbus A321-271NX
- Registry model: [Airbus A321-271NX](https://openairdocs.org/model/airbus-s-a-s-a321-271nx) (OpenAirDocs)
- Aircraft serial: 11734
- Aircraft time: 11,012 hours, 2,665 cycles
- Engine: Iae PW1133GAJM
- System (JASC): [7261 · Turbine Engine Oil System](https://openairdocs.org/jasc/7261)
- Part: Oil System
- Condition: Leaking
- Location: Nr 1 Engine
- 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/DALA2026062903822

## Discrepancy

FA'S REPORT CLORINE SMELL IN DESCENT LASTING FOR 5-7 MINS.   FOUND OIL POOLING INSIDE #1 ENGINE INLET CONE. FOUND EVIDENCE OF OIL CONTAMINATION INSIDE #2 ENGINE INLET CONE AND OIL STREAKS COMING FROM #1 ENGINE INLET CONE VENT HOLES. REPLACED #1 ENG FAN SHAFT COVER SEAL, AND PERFORMED #1 & #2 ENGINE WASHES. (LP 8482895 - 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.
