# SDR DALA2025123009491

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 29, 2025
- Submitted: December 30, 2025
- Operation: Air carrier
- Aircraft: [N507DZ](https://openairdocs.org/aircraft/N507DZ), 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: 10975
- Aircraft time: 13,954 hours, 3,386 cycles
- System (JASC): [2121 · Air Distribution Fan](https://openairdocs.org/jasc/2121)
- Part: Fan
- Condition: Odor
- Location: Zone 100
- Stage of operation: IN
- How discovered: O
- Nature of condition: B
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA2025123009491

## Discrepancy

STRONG ELECTRICAL SMELL IN FLIGHTDECK BLOWER FAULT QRH COMPLIED WITH.   FOUND 20HQ VIBE MONITOR TRIPPED AND FOUND 18HQ CONNECTOR DAMAGED PER A320 AMM 21-26. REPLACED (18HQ) CONNECTOR PER A321 WDM 21-26-09, AND (18HQ) EXTRACT FAN PER A321 AMM 21-26. OPS CHK NML. (LP 7694261, 7694263)

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