# SDR YENA2026012600070

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 25, 2026
- Submitted: January 26, 2026
- Operation: Air carrier
- Aircraft: [N3255J](https://openairdocs.org/aircraft/N3255J), registered now
- Make and model: Airbus BD-500-1A11
- Registry model: [Airbus BD-500-1A11](https://openairdocs.org/model/airbus-canada-lp-bd-500-1a11) (OpenAirDocs)
- Aircraft serial: 55335
- Aircraft time: 2,854 hours, 1,407 cycles
- System (JASC): [4900 · Airborne Auxiliary Power Unit (APU) System](https://openairdocs.org/jasc/4900)
- Part: Apu
- Condition: Contaminated
- Location: Zone 100
- Stage of operation: DE
- How discovered: O
- Nature of condition: C, B
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/YENA2026012600070

## Discrepancy

FLT 2602, SJU-HPN.  FUMES EVENT ON DESCENT PASSING THROUGH 14000 SMELL NGT DIRTY SOCKS BUT RATHER GLUE (RUBBER CEMENT) ODOR DID CAUSE LIGHT HEADEDNESS. ODOR DID NOT DISSPATED UNTIL MAIN DOOR OPENED F4 SMELLED AIRED DIRTY SOCK SMELL MIDDLE OF CABIN.  PERFORMED T/S FOR CABIN ODOR REF FIM J21-22-00-04 AAA-423A-A. FOUND SOURCE OF ODOR TO BE DE ICING FLUID ON APU. PERFORMED ENG NR 1 - 2 & APU RUN IAW J71-00-00. BOTH ENG NR 1 &2 BLEED SOURCE NOT CONTAMINATED & APU UNABLE TO CLEAR RESIDUAL ODOR , APU PLACED ON MEL  A/C OK TO CONT SERVICE.

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