<< >> NASA ASRS Report 467230, March 2000

Flight crew of a B757 failed to use full thrust during takeoff when operating an engine with the anti-ice on due to 1 engine with the anti-ice valve stuck in the open position.

Attributes
ACN	467230
Time
Date	200003
Day	Sun
Local Time Of Day	1801 To 2400
Place
Locale Reference	airport : las.airport
State Reference	NV
Altitude	agl single value : 500
Environment
Flight Conditions	VMC
Light	Night
Aircraft 1
Controlling Facilities	tower : las.tower
Operator	common carrier : air carrier
Make Model Name	B757 Undifferentiated or Other Model
Operating Under FAR Part	Part 121
Flight Phase	climbout : takeoff
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : atp
Experience	flight time last 90 days : 200 flight time total : 7200 flight time type : 300
ASRS Report	467230
Person 2
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : atp
Events
Anomaly	aircraft equipment problem : less severe non adherence : published procedure
Independent Detector	aircraft equipment other aircraft equipment : engine thrust other flight crewa
Resolutory Action	none taken : detected after the fact
Consequence	Other
Supplementary
Problem Areas	Flight Crew Human Performance Aircraft
Primary Problem	Aircraft

Narrative:

While beginning a 5 day trip sequence, the captain and I read our flight release in the dispatch office of air carrier X airlines in las vegas, looked through the list of MEL's and got out the MEL book and looked each up, including the operation of the right engine with its anti-ice valve stuck open. We were to operate all phases of flight with the right engine anti-ice selected on, and use full thrust for takeoffs. In the aircraft, I looked up and filled out the performance cards for takeoff including noticing there was no penalty for operating at reduced thrust with the engine anti-ice selected on, and completely forgot, that regardless, we were to use full power. We wound up using reduced thrust for all 3 legs that evening without incident, not until later realizing our error. As for a fix, possibly highlighting the main operational effects of certain MEL's, being even more attentive, having more experience in the aircraft, with a more acute awareness of what needs being done with particular sits.

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Original NASA ASRS Text

Title: FLC OF A B757 FAILED TO USE FULL THRUST DURING TKOF WHEN OPERATING AN ENG WITH THE ANTI-ICE ON DUE TO 1 ENG WITH THE ANTI-ICE VALVE STUCK IN THE OPEN POS.

Narrative: WHILE BEGINNING A 5 DAY TRIP SEQUENCE, THE CAPT AND I READ OUR FLT RELEASE IN THE DISPATCH OFFICE OF ACR X AIRLINES IN LAS VEGAS, LOOKED THROUGH THE LIST OF MEL'S AND GOT OUT THE MEL BOOK AND LOOKED EACH UP, INCLUDING THE OP OF THE R ENG WITH ITS ANTI-ICE VALVE STUCK OPEN. WE WERE TO OPERATE ALL PHASES OF FLT WITH THE R ENG ANTI-ICE SELECTED ON, AND USE FULL THRUST FOR TKOFS. IN THE ACFT, I LOOKED UP AND FILLED OUT THE PERFORMANCE CARDS FOR TKOF INCLUDING NOTICING THERE WAS NO PENALTY FOR OPERATING AT REDUCED THRUST WITH THE ENG ANTI-ICE SELECTED ON, AND COMPLETELY FORGOT, THAT REGARDLESS, WE WERE TO USE FULL PWR. WE WOUND UP USING REDUCED THRUST FOR ALL 3 LEGS THAT EVENING WITHOUT INCIDENT, NOT UNTIL LATER REALIZING OUR ERROR. AS FOR A FIX, POSSIBLY HIGHLIGHTING THE MAIN OPERATIONAL EFFECTS OF CERTAIN MEL'S, BEING EVEN MORE ATTENTIVE, HAVING MORE EXPERIENCE IN THE ACFT, WITH A MORE ACUTE AWARENESS OF WHAT NEEDS BEING DONE WITH PARTICULAR SITS.

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.