SDR UIEA2020071381510

Service difficulty report · Warning Message · Boeing 76738E

Difficulty date: July 8, 2020
Submitted: July 13, 2020
Operation: Air carrier
Aircraft: N641GT
Make and model: Boeing 76738E
Aircraft serial: 25132
Aircraft time: 88,101 hours, 25,086 cycles
System (JASC): 2150 · Cabin Cooling System
Part: Warning Message
Condition: False Activation
Location: Equip Cooling
Stage of operation: CL
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

FWD EQUIPMENT OVERHEAT EICAS MESSGAE ILLUMINATED AFTER DEPARTURE. IAW QRH SELECTED EQUIPMENT COOLING SWITCH TO STANDBY THEN OVRD, CLEARING THE PROBLEM. OAT WAS 117ÂºF, EXTENDED GROUND TIME, TAXI AND HOLD FOR TAKE OFF. OAT STILL AT 10C AT 30K FT. AFTER REACHING COOL. SPS OPS NORMAL, C/W FIM 21-58 F/T 910. OAT ABOVE 110C WITH NO DEFECTS NOTED. SYSTEM OPS CHECKED AND BITE CHECKED GOOD.

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