<< >> NASA ASRS Report 862368, November 2009

An HS125 flight crew experienced high itt on initial climb; reduced thrust to control itt; declared an emergency; and returned to departure airport.

Attributes
ACN	862368
Time
Date	200911
Local Time Of Day	1801-2400
Place
Locale Reference	ZZZ.Airport
State Reference	US
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Make Model Name	BAe 125 Series 800
Operating Under FAR Part	Part 91
Flight Phase	Climb Initial Climb
Component
Aircraft Component	Turbine Engine
Person 1
Function	Captain Pilot Not Flying
Qualification	Flight Crew Air Transport Pilot (ATP)
Person 2
Function	Pilot Flying First Officer
Qualification	Flight Crew Air Transport Pilot (ATP)
Events
Anomaly	Aircraft Equipment Problem Critical

Narrative:

During initial climb itt exceeded limits. Power needed to be brought to almost flight idle to bring itt back within limits. Declared emergency. Returned to departure airport and executed a visual approach and landing with reduced power to #1 engine. There was a previous write up on the #1 engine itt for running high at idle and fluctuating. Local maintenance stated that the problem went away and they could not duplicate. I suggest that maintenance either dig deeper or test fly the aircraft before releasing the aircraft back to service.

Related reports:

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Original NASA ASRS Text

Title: An HS125 flight Crew experienced high ITT on initial climb; reduced thrust to control ITT; declared an emergency; and returned to departure airport.

Narrative: During initial climb ITT exceeded limits. Power needed to be brought to almost flight idle to bring ITT back within limits. Declared emergency. Returned to departure airport and executed a visual approach and landing with reduced power to #1 engine. There was a previous write up on the #1 engine ITT for running high at idle and fluctuating. Local maintenance stated that the problem went away and they could not duplicate. I suggest that maintenance either dig deeper or test fly the aircraft before releasing the aircraft back to service.

Data retrieved from NASA's ASRS site as of April 2012 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.