# SDR YENA2026080300647

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 2, 2026
- Submitted: August 4, 2026
- Operation: Air carrier
- Aircraft: [N644JB](https://openairdocs.org/aircraft/N644JB), registered now
- Make and model: Airbus A320-232
- Registry model: [Airbus A320-232](https://openairdocs.org/model/airbus-a320-232) (OpenAirDocs)
- Aircraft serial: 02880
- Aircraft time: 73,986 hours, 26,838 cycles
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: A/C Pack
- Condition: Odor
- Location: Zone 100
- 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/YENA2026080300647

## Discrepancy

FLT  545, ISP-PBI. LEVEL 2 FUMES EVENT ON DESCENT START AS A MILD DIRTY SOCK SMELL THEN AS A ALT GOT LOWER AND PACKS WHERE ON HP VALVES IN SWITCH TO A STRONG DIRTY SOCK SMELL BOTH PACKS TRIED TOO ISOLATE WHICH PACK BUT SEEMS TO BE BOTH PACKS O2 MASK WERE USED ; PERFORMED INSPECTION PER TSM 05-50-00-810-831-A. NO ACTIVE HYDRAULIC OR APU OIL LEAKS NOTED. COMPLIED W/ INFO NOTICE 2017-T015, STEPS 1 AND 2. IDENTIFIED ODOR TYPE 5 - PACK 1. DECONTAMINATION LEVEL A WAS C/W PER AMM 21-00-00-615-802. AND REPLACED RECIRC FILTERS IAW AMM 21-21-41.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.