Service difficulty report · Connector · Boeing 7377H4

Difficulty date
July 16, 2021
Submitted
July 19, 2021
Operation
Air carrier
Aircraft
N278WN
Make and model
Boeing 7377H4
Aircraft serial
36441
Aircraft time
47,561 hours, 285,387 cycles
Part
Connector
Condition
Dirty
Location
Nr 1 Overheat
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

NR 1 ENGINE OVERHEAT LIGHT DURING CLIMBOUT PASSING 20;000' 300KTS 97 N1EGT APPROX830 BOTH ENGINES& ALL ENGINE INDICATIONS NORMAL. NO ENGINE SURGING; TEMPS; FUEL FLOW ALL NORMAL BOTH ENGINES. OVHT LIGHT ; #1 ENGINE OVERHEAT LIGHT DURING CLIMBOUT PASSING 20;000' 300KTS 97 N1EGT APPROX830 BOTH ENGINES& ALL ENGINE INDICATIONS NORMAL. NO ENGINE SURGING; TEMPS; FUEL FLOW ALL NORMAL BOTH ENGINES. OVHT LIGHT EXTINGUISED WHEN THRUST LEVER WAS CLOSED RTB BNA ALL CHECK LIST COMPLETED. NOTE #1 OVERHEAT LIGHT WAS ON FIRE CONTROL PANEL. 'A' LOOP MEL'D. / [01] INSPECTED #1 ENG A&B FIRE LOOPS CLEANED & RESEATED LOOP CONNECTORS DP1501 &DP1601 NO VISUAL DEFECTS NOTED PREFORMED OPERATIONAL TEST AS PER MM 26-11-00

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