# SDR AALA202502135315

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 12, 2025
- Submitted: February 14, 2025
- Operation: Air carrier
- Aircraft: [N804NN](https://openairdocs.org/aircraft/N804NN), registered now
- Make and model: Boeing 737823
- Aircraft serial: 29567
- Aircraft time: 46,246 hours, 19,346 cycles
- System (JASC): [2120 · Air Distribution System](https://openairdocs.org/jasc/2120)
- Part: Unknown
- Condition: Odor
- Location: Cabin
- Stage of operation: TX
- How discovered: O
- Nature of condition: B
- Precautionary procedure: D
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA202502135315

## Discrepancy

AIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED DUE TO: AFTER INCREASING THRUST LEVERS TO 70% SMOKE AND HAZE BEGAN TO FILL THE COCKPIT; AIRCRAFT GROUND INTERRUPTED BACK TO GATE SAFELY AT ORD. PERFMORD J/C 08L00021001, COULD NOT REPLICATE SMELL, DE-ICE FLUID WAS HEAVILY PREVELANT AROUND APU AMD ENGINE INLETS. NO DEFECTS NOTED. NO FAULT FOUND.

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