<< >> NASA ASRS Report 619376, May 2004

Fumes and haze filled the aft coach cabin when the flight crew of an MD83 at FL310 turns on the engine and wing anti-ice in proximity of thunderstorm activity on frequency with ZME, tn.

Attributes
ACN	619376
Time
Date	200405
Day	Sun
Local Time Of Day	1801 To 2400
Place
Locale Reference	atc facility : zme.artcc
State Reference	TN
Altitude	msl single value : 31000
Environment
Flight Conditions	IMC
Weather Elements	Ice Thunderstorm
Aircraft 1
Controlling Facilities	artcc : zme.artcc
Operator	common carrier : air carrier
Make Model Name	MD-83
Operating Under FAR Part	Part 121
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : atp
ASRS Report	619376
Person 2
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : instrument pilot : multi engine pilot : commercial
ASRS Report	619378
Events
Anomaly	aircraft equipment problem : critical cabin event other inflight encounter : weather
Independent Detector	other other : cab3
Resolutory Action	aircraft : equipment problem dissipated flight crew : overrode automation other
Consequence	other Other
Supplementary
Problem Areas	Weather Maintenance Human Performance Aircraft
Primary Problem	Aircraft

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.