SDR ASAA2018072125526

Service difficulty report · Warning System · Boeing 737990ER

Difficulty date: July 21, 2018
Submitted: July 25, 2018
Operation: Air carrier
Aircraft: N468AS
Make and model: Boeing 737990ER
Aircraft serial: 41735
Aircraft time: 16,200 hours, 5,397 cycles
System (JASC): 7600 · Engine Controls
Part: Warning System
Condition: False Activation
Location: Cockpit
Stage of operation: IN
How discovered: O
Nature of condition: N
Precautionary procedure: K

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

What was found

WHILE ACCOMPLISHING TASK CARD 78273000, NR 1 ENGINE FAULT CODE 76-31361 DISCOVERED. "THE START LEVEL SIGNALS DISAGREE". LONG TIME FAULT. GROUNDED - YES. ACCOMPLISHED T/C 78273000 "INTERROGATE FMC CDU FOR ENGINE NR 1 FAULTS". RECENT FAULT SHOWS NO FAULTS. FAULT HISTORY SHOWS 1 FAULT MSG 76-31361 "START LEVER SIGNALS DISAGREE" ON FLIGHT LEG 8.