# SDR IPXA2026022030189

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 15, 2026
- Submitted: February 20, 2026
- Operation: Air carrier
- Aircraft: [N426UP](https://openairdocs.org/aircraft/N426UP), registered now
- Make and model: Boeing 757-24APF
- Registry model: [Boeing 757-24APF](https://openairdocs.org/model/boeing-757-24apf) (OpenAirDocs)
- Aircraft serial: 25457
- Aircraft time: 32,924 hours, 22,170 cycles
- System (JASC): [2120 · Air Distribution System](https://openairdocs.org/jasc/2120)
- Part: Unknown
- Condition: Fumes
- Location: Zone 200
- Stage of operation: TO
- 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/IPXA2026022030189

## Discrepancy

ON TAKEOFF ROLL, FUMES WERE OBSERVED WITH AN ACRID WET SOCK ODOR. AT POWER REDUCTION TURNED RIGHT PACK OFF AND FUMES DISSIPATED. RAN NR 2 ENGINE AND PACKS NO FUMES PRESENT COULD NOT DUPLICATE. IAW AMM 71-00-00 BEGINNING FUEL QUANTITY 17.7 ENDING 17.4

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