# SDR IPXA2026022305924

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 20, 2026
- Submitted: February 23, 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: Odor
- Location: Cabin
- 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/IPXA2026022305924

## Discrepancy

REPEAT, STRONG WET SOCK OIL ODOR FROM TAKEOFF TO 20,000 AGAIN ON DESCENT & WHILE PARKED. AIRCREW WILL DOCUMENT MEDICAL HAZARD. REPLACED LT LUBE - SCAVENGE PUMP AMM 70-21-04/401. IDLE ENGINE RUNS WERE COMPLETED, RAN FOR 15 MINUTES. ISOLATED EACH PACK INDIVIDUALLY AND COULDN`T DUPLICATE WET SOCK OIL ODOR.

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