# SDR IPXA2025032415186

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 17, 2026
- Submitted: March 24, 2026
- Operation: Air carrier
- Aircraft: [N446UP](https://openairdocs.org/aircraft/N446UP), registered now
- Make and model: Boeing 757-24APF
- Registry model: [Boeing 757-24APF](https://openairdocs.org/model/boeing-757-24apf) (OpenAirDocs)
- Aircraft serial: 27735
- Aircraft time: 38,932 hours, 21,245 cycles
- System (JASC): [2120 · Air Distribution System](https://openairdocs.org/jasc/2120)
- Part: Unknown
- Condition: Odor
- Location: Cabin
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/IPXA2025032415186

## Discrepancy

ON DEPARTURE, MAX PWR T/O , STRONG SMELL OF €ŒDIRTY SOCKS? ON FLT DECK. PERSISTED UNTILL LEVEL OFF AT FL 360. RIGHT ENGINE WAS R+R TO CORRECT STRONG ODOR OF DIRTY SOCKS ON T3F18E008GUME AND T3F18E008GUMD. NO DIRTY SOCKS SMELL PRESENT DURING ENGINE RUNS.

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