# SDR YENA2026062900496

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 24, 2026
- Submitted: June 30, 2026
- Operation: Air carrier
- Aircraft: [N2043J](https://openairdocs.org/aircraft/N2043J), 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: 09191
- Aircraft time: 21,396 hours, 5,806 cycles
- Engine: Iae PW1133GJM
- System (JASC): [7261 · Turbine Engine Oil System](https://openairdocs.org/jasc/7261)
- Part: Oil System
- Condition: Leaking
- Location: Nr 1 Engine
- Component: Engine, Iae
- Stage of operation: CR
- 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/YENA2026062900496

## Discrepancy

FLT 1770 GYE-JFK (DIVERTED TO MCO)(ETOPS) DURING CRUISE AT FL 350 NR 1 ENGINE OIL QTY SLOWLY STARTED TO DROP LINEARLY. BEGAN CHECKLIST AND OIL PRESSURE AND TEMP REMAINED NORMALAND CONSTANT AT 160 PSI AND 95 C. OIL QTY CONTINUED TO DROP UNTIL ABOUT 2 QTS. OILPRESSURE THEN BEGAN TO DROP LINEARLY. AFTER APPROXIMATELY SAME TIME OIL PRESSURE CONTINUEDTO DROP INTO YELLOW CAUTION RANGE. ENG NR 1 OIL PR AND ENG NR 1 HIGH VIBRATION ECAMS FOLLOWED.ENGINE WAS SHUTDOWN PER QRH. HIGHEST VIBRATION READING WAS 6.5 ; REF WO  1505789 ENG NR 1 R & R. A/C OK FOR SERVICE.

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