# SDR GTIA2019091534627

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 15, 2019
- Submitted: September 16, 2019
- Operation: Air carrier
- Aircraft: [N663NK](https://openairdocs.org/aircraft/N663NK), registered now
- Make and model: Airbus A321-231
- Registry model: [Airbus A321-231](https://openairdocs.org/model/airbus-a321-231) (OpenAirDocs)
- Aircraft serial: 6994
- Aircraft time: 13,302 hours, 5,773 cycles
- System (JASC): [2121 · Air Distribution Fan](https://openairdocs.org/jasc/2121)
- Part: Blower
- Condition: Faulted
- Location: E&E Bay
- Stage of operation: CL
- How discovered: O
- Nature of condition: B, J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/GTIA2019091534627

## Discrepancy

ON CLIMBOUT ON THEECAM VENT BLOWER AND EXTRACT APPEARED SUSPECTING POSSIBLE AVIONICS SMOKE HOWEVER NO OTHER INDICATIONS WERE PRESENT. PERFORMED AEVC TEST IAW 21-26-00. PFR SHOWS INLER EXTRACT FAULT AND VENT BLOWER FAULT. CLASS 3 FAULTS SHOW'S AEVC. OBSERVED DURING AEVC TEST, BOTH INLER AND EXTRACT VALVES STAYED CLOSED FOR APPROXIMATELY 15 MIN AFTER TEST. CONTINUED TO L/P 2532639-2

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