Service difficulty report · Warning System · Boeing 7673JHF

Difficulty date
September 23, 2020
Submitted
September 25, 2020
Operation
Air carrier
Aircraft
N643GT
Make and model
Boeing 7673JHF
Aircraft serial
37809
Aircraft time
18,476 hours, 5,011 cycles
Engine
Ge CF680C2B7F
Part
Warning System
Condition
False Indication
Location
Nr 1 Eng Egt
Stage of operation
TX
How discovered
O
Nature of condition
N
Precautionary procedure
O

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

What was found

UPON START NR 1 ENGINE (LEFT SIDE) THE EGT INITIALLY ACCELERATED ABNORMALLY QUICKLY AND STABILIZED AROUND 430 F EGT. INSPECTED NR 1 ENG'S INLET & EXHAUST AREA AND NO TROUBLE FOUND. NO EGT EXCEEDANCE MSG FOUND ON ENG EXCD PAGE. PERFORMED PIMU BITE PROCEDURE AND NO FAULT FOUND, PER FIM 71-01-00/101. PERFORMED NR 1 & NR 2 ENG'S RUN UP CHECK AND THEN BOTH EGT SYSTEMS CHECKED OK, SAME CONDITION PER AMM.

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