Service difficulty report · Engine · Doug DC873F

Difficulty date
August 9, 1999
Submitted
March 26, 2000
Operation
Air carrier
Aircraft
N804DH
Make and model
Doug DC873F
Aircraft serial
46124
Engine
Ge CFM562C5
Part
Engine
Condition
Overtemp
Location
Nr 4
Stage of operation
TO
Nature of condition
M, J
Precautionary procedure
D

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

What was found

NR 4 ENG OVERTEMP ON T/O TO 912 DEG FOR 1 SECOND, ENG POWER WAS REDUCED TO PREVENT FURTHER OVERTEMP. CHECK EGT RES AND IND ACCURACY CHECK OK PERFORMED THROUGH 7 STEPS OF CFM T/S FAULT 48. NO FAULTS NOTED PER MM 72-00-00 PG 612 3(A). EGT OVERTEMP CAN HAVE A MAXIMUM OF 10 EXCEEDANCE THIS HAS BEEN THE SECOND OCCURRANCE.

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