# SDR DALA2026091105082

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 10, 2026
- Submitted: September 11, 2026
- Operation: Air carrier
- Aircraft: [N927AT](https://openairdocs.org/aircraft/N927AT), registered now
- Make and model: Boeing 717-200
- Registry model: [Boeing 717-200](https://openairdocs.org/model/boeing-717-200) (OpenAirDocs)
- Aircraft serial: 55077
- Aircraft time: 59,780 hours, 44,124 cycles
- System (JASC): [4900 · Airborne Auxiliary Power Unit (APU) System](https://openairdocs.org/jasc/4900)
- Part: Apu
- Condition: Odor
- Stage of operation: TX
- 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/DALA2026091105082

## Discrepancy

BOARDING THE ACFT W/APU ON THERE IS A VERY STRONG DIRTY SOCK SMELL IN ALL AREAS OF THE COCKPIT AND CABIN, CORRECTIVE ACTION: R/R APU IAW W/C 4900-9901. (9518000) (AIRCRAFT GROUNDED).

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