# SDR YENA2026080300646

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 1, 2026
- Submitted: August 4, 2026
- Operation: Air carrier
- Aircraft: [N923JB](https://openairdocs.org/aircraft/N923JB), registered now
- Make and model: Airbus A321-231
- Registry model: [Airbus A321-231](https://openairdocs.org/model/airbus-a321-231) (OpenAirDocs)
- Aircraft serial: 05960
- Aircraft time: 50,745 hours, 1,574 cycles
- System (JASC): [3610 · Pneumatic Distribution System](https://openairdocs.org/jasc/3610)
- Part: Seal
- Condition: Missing
- Location: Zone 400
- Stage of operation: DE
- How discovered: O
- Nature of condition: B
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/YENA2026080300646

## Discrepancy

FLT 1574, LAX-EWR. OIL FUMES IN COCKPIT DURING IDLE DESCENT FIRST DETECTED AROUND 8000 CLOSED ENG 1 BLEED AND IT DISSIPATED.  REMOVED LP TURBINE SHAFT BLIND CAP AND CLEANED AREA IN THE INLET CONE IAW AMM 72-51-41.  PERFORMED ENG 1 LEAK CHECK IAW AMM 71-00-00 LEAK CHECK OK. REMOVED FCOC IAW AMM 79-21-43-000-010-B & REPLACED MISSING SEALS. PERFORMED LEAK CHECK IAW AMM 71-00-00, LEAK CHECK OK.  PERFORMED PACK BURN AND R & R HEPA FILTERS PER INFO NOTICE 2017 TOSM ANS TSM 05-50-00-810-831-A   ALL CHECKS NORMAL AT THIS TIME

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