# SDR YENA2025031200250

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 7, 2025
- Submitted: March 12, 2025
- Operation: Air carrier
- Aircraft: [N2044J](https://openairdocs.org/aircraft/N2044J), registered now
- Make and model: Airbus A321-271N
- Registry model: [Airbus A321-271N](https://openairdocs.org/model/airbus-a321-271n) (OpenAirDocs)
- Aircraft serial: 09195
- Aircraft time: 15,842 hours, 4,396 cycles
- System (JASC): [4900 · Airborne Auxiliary Power Unit (APU) System](https://openairdocs.org/jasc/4900)
- Part: Apu
- Condition: Odor
- Location: Zone 100
- Stage of operation: CL
- 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/YENA2025031200250

## Discrepancy

FLT#2637, JFK-STI. CLIMBING OUT AFT PA REPORTED AN OILY SMELL THAT STARTED ON T/O  RAN ODOR CHECKLIST. ISOLATION UNSUCCESSFUL. JUMPSEAT CA WENT TO INVESTIGATE AND SMELLED AND INTERMITTENT KEPT OILY SMELL IN THE AFT GALLEY; C/W INFO NOTICE 2017 T055K PER DECISION 3 SUSPECT APU ROOT CAUSE. ACCOMPLISHED PACK BURN WITH GROUND AIR START, RAN ENGINES , ENG 1 TO PACK 1 AND ENG # 2 TO PACK # 2 INDEPENTLY NO CABIN ODOR.'

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