# SDR DALA2024032503756

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 22, 2024
- Submitted: March 26, 2024
- Operation: Air carrier
- Aircraft: [N340DN](https://openairdocs.org/aircraft/N340DN), registered now
- Make and model: Airbus A321-213
- Registry model: [Airbus A321-213](https://openairdocs.org/model/airbus-a321-213) (OpenAirDocs)
- Aircraft serial: 8180
- Aircraft time: 18,676 hours, 8,334 cycles
- System (JASC): [2121 · Air Distribution Fan](https://openairdocs.org/jasc/2121)
- Part: Blower
- Part number: UNKNOWN
- Condition: Failed
- Location: E/E Vent
- 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/DALA2024032503756

## Discrepancy

AIRCRAFT 3040, DURING TAXI OUT HEARD AUDIBLE NOISE (SQUEAL) THEN SIGNIFICANT CARBON ODOR THAT DIMINISHED INTESITY BUT STILL FAINT. CORRECTIVE ACTION: INVESTIGATED CARBON ODOR IN COCKPIT FOUND AVIONIC VENT BLOWER WITH A SLIGHT RATTLE. AFTER DISASSEMBLY STONG BURNING SMELL INSIDE FAN. REPLACED AVIONICS VENT BLOWER FAN. (LP 5814170)

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