# SDR CALA2022071801810

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 18, 2022
- Submitted: July 18, 2022
- Operation: Air carrier
- Aircraft: [N13720](https://openairdocs.org/aircraft/N13720), registered now
- Make and model: Boeing 737724
- Aircraft serial: 28939
- Aircraft time: 73,329 hours, 24,990 cycles
- System (JASC): [2121 · Air Distribution Fan](https://openairdocs.org/jasc/2121)
- Part: Fan
- Part number: NA
- Condition: Odor
- Location: Na
- Stage of operation: CR
- How discovered: O
- Nature of condition: B
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2022071801810

## Discrepancy

OVERWEIGHT LANDING STRONG BURNING PLASTIC SMELL OR SIMILAR ODOR STOPPED FOR 5 MIN. THEN RETURNED. FOUND ODOR TO BE COMING FROM RECIRC FAN.  P6-4 PANEL C/B E4 BREAKER ALSO TRIPPED FOR CABIN AIR FAN. R&R  RECIRCULATION  FAN.OPS CHECK GOOD, LEAK CHECK GOOD. RESTORED A/C TO NORMAL.

---
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.