# SDR YENA2019121970705

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 17, 2019
- Submitted: December 19, 2019
- Operation: Air carrier
- Aircraft: [N709JB](https://openairdocs.org/aircraft/N709JB), registered now
- Make and model: Airbus A320-232
- Registry model: [Airbus A320-232](https://openairdocs.org/model/airbus-a320-232) (OpenAirDocs)
- Aircraft serial: 3488
- Aircraft time: 47,059 hours, 16,234 cycles
- System (JASC): [2121 · Air Distribution Fan](https://openairdocs.org/jasc/2121)
- Part: Fan
- Part number: EVT3454HC
- Part serial: 164904190
- Condition: Failed
- Location: E/E Bay
- Part time: 22,901 hours, 7,577 cycles
- Stage of operation: NR
- How discovered: O
- Nature of condition: E, B
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/YENA2019121970705

## Discrepancy

FT # 1667, BOS-CHS. BLOWER FAN MAKING SCREECHING NOISES AND BURNING SMELLS (ELECTRICAL SMELL). ALL GOES AWAY WHEN SELECTED OFF; REMOVED AND REPLACED AVIONIC BLOWER I.A.W AMM 21-26-01. MDDR CLEARED MX-4 UPDATED PLACARD REMOVED MCC NOTIFIED.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.
