# SDR DALA2026012500536

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 23, 2026
- Submitted: January 25, 2026
- Operation: Air carrier
- Aircraft: [N592DT](https://openairdocs.org/aircraft/N592DT), registered now
- Make and model: Airbus A321-271NX
- Registry model: [Airbus A321-271NX](https://openairdocs.org/model/airbus-s-a-s-a321-271nx) (OpenAirDocs)
- Aircraft serial: 12422
- Aircraft time: 3,456 hours, 892 cycles
- System (JASC): [2121 · Air Distribution Fan](https://openairdocs.org/jasc/2121)
- Part: Blower
- Condition: Failed
- Location: Zone 100
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA2026012500536

## Discrepancy

SUPPLEMENTAL INFOMRATION, AIRCRAFT 5092, STRONG ELECTRICAL BURNING ODOR IN COCKPIT AND FORWARD GALLEY WHILE AT THE GATE. APU IN USE AND APU POWER AND BLEED OPERATIVE.  FOUND FAN BLADES RUBBING ON HOUSING. FAN IS FREE SPINNING. PUT FAN DUCTING BACK ON IAW AMM 21-26.  REMOVED & REPLACED AVIONIC FILTER IAW AMM 21-26. DEFERRED PER MEL 21-26-01A: LATE, REPLACED AVIONICS BLOWER FAN 20HQ.

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