Company dispatcher released an aircraft with an MEL that restr aircraft into non icing conditions. T...

Attributes
ACN	526113
Time
Date	200109
Day	Thu
Place
Locale Reference	airport : zzz.airport
State Reference	US
Altitude	agl single value : 0
Environment
Weather Elements	Ice Rain
Aircraft 1
Controlling Facilities	tower : dfw.tower
Operator	common carrier : air carrier
Make Model Name	Commercial Fixed Wing
Operating Under FAR Part	Part 121
Person 1
Affiliation	company : air carrier
Function	other personnel
ASRS Report	526113
Person 2
Affiliation	company : air carrier
Function	other personnel oversight : supervisor
Events
Anomaly	aircraft equipment problem : less severe inflight encounter : weather inflight encounter other maintenance problem : non compliance with mel non adherence : company policies non adherence : far non adherence : published procedure other anomaly other
Independent Detector	other other : 1
Resolutory Action	none taken : anomaly accepted other
Consequence	other other
Supplementary
Problem Areas	Weather Aircraft Company
Primary Problem	Company

Narrative:

Flight XXX on sep/thu/01, was on an aircraft with a restrictive MEL item which was 'side window heat inoperative.' this MEL does not allow aircraft to be dispatched into known or forecasted icing conditions. Flight XXX was a YYY-ZZZ flight. ZZZ was calling for 2700 ft 9 KTS P6SM broken 040 broken 080 with a problem 30 between XA00 and XD00 of light rain showers. An airmet also called for occasional rime ice. I personally had dispatched all day to crystal clear VFR destinations and between not thoroughly reading the MEL item nor researching the WX in ZZZ. I failed to recognize the restr. The next morning the aircraft could not leave ZZZ for the same reasons at which point it was brought to my attention my errors. I reviewed components of icing conditions with the dispatcher training manager but more importantly I realized that I had become complacent in my duties because I had been dealing with VFR conditions all day. It was a good reminder to me to stay alert.

Original NASA ASRS Text

Title: COMPANY DISPATCHER RELEASED AN ACFT WITH AN MEL THAT RESTR ACFT INTO NON ICING CONDITIONS. THERE WAS A 30% CHANCE OF ICING FORECAST.

Narrative: FLT XXX ON SEP/THU/01, WAS ON AN ACFT WITH A RESTRICTIVE MEL ITEM WHICH WAS 'SIDE WINDOW HEAT INOP.' THIS MEL DOES NOT ALLOW ACFT TO BE DISPATCHED INTO KNOWN OR FORECASTED ICING CONDITIONS. FLT XXX WAS A YYY-ZZZ FLT. ZZZ WAS CALLING FOR 2700 FT 9 KTS P6SM BKN 040 BKN 080 WITH A PROB 30 BTWN XA00 AND XD00 OF LIGHT RAIN SHOWERS. AN AIRMET ALSO CALLED FOR OCCASIONAL RIME ICE. I PERSONALLY HAD DISPATCHED ALL DAY TO CRYSTAL CLR VFR DESTS AND BTWN NOT THOROUGHLY READING THE MEL ITEM NOR RESEARCHING THE WX IN ZZZ. I FAILED TO RECOGNIZE THE RESTR. THE NEXT MORNING THE ACFT COULD NOT LEAVE ZZZ FOR THE SAME REASONS AT WHICH POINT IT WAS BROUGHT TO MY ATTN MY ERRORS. I REVIEWED COMPONENTS OF ICING CONDITIONS WITH THE DISPATCHER TRAINING MGR BUT MORE IMPORTANTLY I REALIZED THAT I HAD BECOME COMPLACENT IN MY DUTIES BECAUSE I HAD BEEN DEALING WITH VFR CONDITIONS ALL DAY. IT WAS A GOOD REMINDER TO ME TO STAY ALERT.

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.

Company dispatcher released an aircraft with an MEL that restr aircraft into non icing conditions. There was a 30% chance of icing forecast.