# SDR AALA202608272328

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 25, 2026
- Submitted: August 28, 2026
- Operation: Air carrier
- Aircraft: [N827NN](https://openairdocs.org/aircraft/N827NN), registered now
- Make and model: Boeing 737823
- Aircraft serial: 33209
- Aircraft time: 48,311 hours, 20,678 cycles
- Engine: Cfmint CFM567B243
- Engine time: 40,400 hours, 35,071 cycles
- System (JASC): [7220 · Turbine Engine Air Inlet Section](https://openairdocs.org/jasc/7220)
- Part: Blade
- Condition: Contaminated
- Location: Engine Fan
- Component: Engine, Cfmint
- 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/AALA202608272328

## Discrepancy

AIRCRAFT WAS GROUNDED: FUMES REPORTED IN CABIN.  ONCE ON CLIMB OUT BUT DISAPPEARED QUICKLY.  NO FUMES DURING CRUISE.  FUMES RETURNED ON DESCENT AND WERE STRONG.  ACCOMPLISHED QRH AND TURNED #2 PACK SWITCH OFF AND FUMES DISSIPATED.  NOTE: BOTH FUMES EVENT WERE AROUND THE SAME TIME THAT ENG ANTI ICE WAS USED. MAINTENANCE  ACCOMPLISHED SOF WORK CARD 08L00021001. FAN BLADES WAS REPORTED CONTAMINATED ON BOTH ENGINES. FAN BLADES WAS CLEANED OF CONTAMINATES. PERFORMED AIR PURGE FROM AIR CONDITIONING DUCTS PER AMM 21-00-01-100-801.

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