# SDR YENA2025022500190

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 25, 2025
- Submitted: February 25, 2025
- Operation: Air carrier
- Aircraft: [N979JT](https://openairdocs.org/aircraft/N979JT), registered now
- Make and model: Airbus A321-231
- Registry model: [Airbus A321-231](https://openairdocs.org/model/airbus-a321-231) (OpenAirDocs)
- Aircraft serial: 07627
- Aircraft time: 33,508 hours, 6,572 cycles
- System (JASC): [4990 · APU Oil System](https://openairdocs.org/jasc/4990)
- Part: Oil System
- Condition: Leaking
- Location: Apu
- Stage of operation: CL
- 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/YENA2025022500190

## Discrepancy

FLT#733, BOS-SFO. 'PASSING 5000 FT IN CLOUDS STRONG SMELL OF FUMES FROM COCKPIT  TO  AFT; COMPLIED WITH INFORMATION NOTICE 2017-T015, SECTION A, ISOLATED FAULT TO TYPE 1. APU OIL LEAK BETWEEN LOAD COMPRESSOR & AIR INLET, PER TSM 05-50-00-810-085-B/ TSM 05-50-00-810-085-D, PERFORMED LEVEL A DECONTAMINATION OF ECS REF AMM 21-00-00-615-802. A/C IS OK FOR SERVICE.'

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