# SDR CALA2012022100113

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 21, 2012
- Submitted: February 21, 2012
- Operation: Air carrier
- Aircraft: [N77510](https://openairdocs.org/aircraft/N77510), registered now
- Make and model: Boeing 737824
- Aircraft serial: 32828
- Aircraft time: 12,756 hours, 4,496 cycles
- System (JASC): [2120 · Air Distribution System](https://openairdocs.org/jasc/2120)
- Part: Unknown
- Condition: Smoke
- Location: Cockpit
- Stage of operation: NR
- How discovered: O
- Nature of condition: B
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2012022100113

## Discrepancy

LARGE AMOUNT OF SMOKE CAME OUT OF CIRCUIT BREAKER PANEL (RADIO-NAV), BEHIND CAPTAIN'S SEAT AT ARRIVAL AT GATE.  OPENED CP WINDOW AND SMOKE IMMEDIATELY CLEARED.  COMPLIED WITH TASK 05-51-26.  COULD NOT DUPLICATE SMOKE & ODOR. REPLACED RECIRCULATION AIR FILTERS IAW 21-25- 01.

---
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.