# SDR GTIA2024120238566

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 30, 2024
- Submitted: December 3, 2024
- Operation: Air carrier
- Aircraft: [N709NK](https://openairdocs.org/aircraft/N709NK), 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: 11470
- Aircraft time: 4,110 hours, 1,593 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: DE
- How discovered: V
- Nature of condition: K, B
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/GTIA2024120238566

## Discrepancy

FUME EVEN: WHILE DESCENDING THROUGH 1100 UN VMC STRONG SMELL IN COCKPIT FOLLOWING EQRH PROCEDURE ISOLATING PACK 1 SMELL SLOWLY WENT AWAY-TI 2100-2004-NEO ACCOMPLISHED ON WO# 337985. DURING INSPECTIONS FOUND OIL CONTAMINATION IN ENG 1 OPV, LPC, & HPC. PERFORMED DECONTAMINATION OF ECS REF AMM 21-00-00. SEE LBP 3608228-1 FOR ENG 1 OIL CONTAMINATION

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