# SDR EIAA20090088

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 16, 2009
- Submitted: July 16, 2009
- Operation: Air carrier
- Aircraft: [N471EV](https://openairdocs.org/aircraft/N471EV), registered now
- Make and model: Boeing 747273C
- Aircraft serial: 20651
- Aircraft time: 100,953 hours, 23,859 cycles
- System (JASC): [2120 · Air Distribution System](https://openairdocs.org/jasc/2120)
- Part: Actuator
- Condition: Malfunctioned
- Location: Evc
- Stage of operation: CR
- How discovered: O
- Nature of condition: B
- Precautionary procedure: B
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/EIAA20090088

## Discrepancy

DURING DIVERSION TO JFK AT 15000FT SMOKE AND FUMES DEVELOPED IN THE COCKPIT.  ACCOMPLISHED A/C SMOKE ABNORMAL C/L. SMOKE DISSIPATED AFTER CLOSING NR 4 ENGINE BLEED VALVE.  REMOVED AND REPLACED EVC ACTUATOR AND FCU. OPERATIONAL CHECKS GOOD. ALL FOLLOW-ON MAINTENANCE DEEMED ADEQUATE.

---
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.