# SDR YENA2021101100670

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 9, 2021
- Submitted: October 11, 2021
- Operation: Air carrier
- Aircraft: [N974JT](https://openairdocs.org/aircraft/N974JT), registered now
- Make and model: Airbus A321-231
- Registry model: [Airbus A321-231](https://openairdocs.org/model/airbus-a321-231) (OpenAirDocs)
- Aircraft serial: 07448
- Aircraft time: 18,072 hours, 5,929 cycles
- System (JASC): [4990 · APU Oil System](https://openairdocs.org/jasc/4990)
- Part: Oil System
- Condition: Leaking
- Location: Apu
- Stage of operation: AP
- How discovered: O
- Nature of condition: K, B
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/YENA2021101100670

## Discrepancy

FLT #861, BOS-SJU. DURING FINAL APPROACH TO LAND "DIRTY SOCK " ORDER WAS NOTICED IN THE COCKPIT MD CABIN APU WAS TURNED ON AFTER LANDING AND SMELL STAYED ; INSPECTED SYST AS PER INFO NOTICE 2017-T015 I FOUND APU LEAKING  OI L PERFORMED ENGINE RUN WITH BOTH ENGINES BLEED AND BOTH PACKS RUNNING NO FURTHER EVIDENCE OF OIL SMELL NOTICE

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