# SDR IPXA2020090169180

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 1, 2026
- Submitted: September 1, 2026
- Operation: Air carrier
- Aircraft: [N627UP](https://openairdocs.org/aircraft/N627UP), registered now
- Make and model: Boeing 747-8F
- Registry model: [Boeing 747-8F](https://openairdocs.org/model/boeing-747-8f) (OpenAirDocs)
- Aircraft serial: 65780
- Aircraft time: 21,300 hours, 3,202 cycles
- System (JASC): [2120 · Air Distribution System](https://openairdocs.org/jasc/2120)
- Part: Unknown
- Condition: Odor
- Location: Cabin
- Stage of operation: CR
- How discovered: O
- Nature of condition: B
- Precautionary procedure: B
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/IPXA2020090169180

## Discrepancy

WHILE IN CRUISE FL 350 JUST AFTER TOC A FAINT ACRID ODOR WAS NOTICEABLE AND VISIBLE. RAN SMOKE, FIRE, FUMES CHECKLIST. IRO SEARCHED FOR POSSIBLE SOURCE BUR COULD NOT LOCATE.

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