Service difficulty report · Warning System · Boeing 737990ER

Difficulty date
November 26, 2018
Submitted
November 30, 2018
Operation
Air carrier
Aircraft
N448AS
Make and model
Boeing 737990ER
Aircraft serial
36356
Aircraft time
10,736 hours, 3,585 cycles
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 T/C 78273000 ON NR 1 ENGINE FOUND CODE 76-31361 THE START LEVER SIGNALS DISAGREE, LONG TIME FAULT. GROUNDED - YES. ON DEFERRAL. PERFORMED FIM 76-11 TASK 801. EEC TEST PASSES, NO FAULTS FOUND IN RECENT FAULTS OR FAULT HISTORY MENU. PERFORMED ENGINE RUN AND EEC BITE CHECK REF AMM 71-00-00-700-808-F00 TEST 13, NO FAULTS PRESENT. REPAIR CONFIRMATION SUCCESSFUL.