Service difficulty report · Computer · Boeing 7673P6

Difficulty date
December 28, 2006
Submitted
December 29, 2006
Operation
Air carrier
Aircraft
N155DL
Make and model
Boeing 7673P6
Aircraft serial
25269
Aircraft time
65,642 hours, 14,622 cycles
Engine
Ge CF680C2B2
Part
Computer
Part number
8221033100
Condition
Unserviceable
Location
Left Eicas
Stage of operation
TO
How discovered
O
Nature of condition
N
Precautionary procedure
C

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

A/C RTO AT 125KTS DUE TO A INCORRECT EGT EXCEDANCE OF THE LT ENGINE. THE LT EICAS COMPUTER DISPLAYED A RED EGT BOX AT 831 DEGREES C DURING TO ROLL. THE EGT EXCEEDANCE PARAMETER IS ABOVE 960 FOR THE CF680C2. ETOPS CATEGORY (E): PROBLEMS WITH SYSTEMS CRITICAL TO ETOPS.

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