Narrative:

During cruise approximately 20+ mins after turning on engine and airfoil anti-ice system, flight attendants reported strong smell and haze in aft portion of coach cabin. We secured both airfoil and engine anti-ice system, and turned off galley power. All system appeared normal. Accomplished fom procedures. Inquired about interior cabin lighting with flight attendants -- all lights were off. Re-established engine anti-ice. Then galley power. Smell and haze dissipated with no recurrence. Never did turn on airfoil anti-ice system. Notified maintenance, made logbook entry and continued without further incident to lax.

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Original NASA ASRS Text

Title: FUMES AND HAZE FILLED THE AFT COACH CABIN WHEN THE FLT CREW OF AN MD83 AT FL310 TURNS ON THE ENG AND WING ANTI-ICE IN PROX OF TSTM ACTIVITY ON FREQ WITH ZME, TN.

Narrative: DURING CRUISE APPROX 20+ MINS AFTER TURNING ON ENG AND AIRFOIL ANTI-ICE SYS, FLT ATTENDANTS RPTED STRONG SMELL AND HAZE IN AFT PORTION OF COACH CABIN. WE SECURED BOTH AIRFOIL AND ENG ANTI-ICE SYS, AND TURNED OFF GALLEY PWR. ALL SYS APPEARED NORMAL. ACCOMPLISHED FOM PROCS. INQUIRED ABOUT INTERIOR CABIN LIGHTING WITH FLT ATTENDANTS -- ALL LIGHTS WERE OFF. RE-ESTABLISHED ENG ANTI-ICE. THEN GALLEY PWR. SMELL AND HAZE DISSIPATED WITH NO RECURRENCE. NEVER DID TURN ON AIRFOIL ANTI-ICE SYS. NOTIFIED MAINT, MADE LOGBOOK ENTRY AND CONTINUED WITHOUT FURTHER INCIDENT TO LAX.

Data retrieved from NASA's ASRS site as of July 2007 and automatically converted to unabbreviated mixed upper/lowercase text. This report is for informational purposes with no guarantee of accuracy. See NASA's ASRS site for official report.