Service difficulty report · Warning Light · Boeing 737890

Difficulty date
November 4, 2014
Submitted
November 6, 2014
Operation
Air carrier
Aircraft
N597AS
Make and model
Boeing 737890
Aircraft serial
35689
Aircraft time
25,149 hours, 7,838 cycles
Engine
Cfmint CFM567B273
Part
Warning Light
Condition
False Activation
Location
Start Valve
Stage of operation
TX
How discovered
O
Nature of condition
N
Precautionary procedure
D

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

What was found

WHILE STARTING ENGINE NR 2 START VALVE OPEN LIGHT STAYED ON AND STARTED FLASHING AFTER START SWITCH MOVED TO OFF. RAN QRH AND START VALVE OPEN LIGHT REMAINED ILLUMINATED. ACFT GROUNDED. ACCOMPLISHED FIM 80-07, TASK 809. AFTER REMOVING CONNECTOR DP1202 LIGHT EXTINGUISHED, CONTINUITY CHECK SHOWED AN OPEN CIRCUIT. REINSTALLED CONNECTOR, LIGHT STILL OUT. ACCOMPLISHED ENGINE START AND START VALVE LIGHT OPS NORMAL. NO HISTORY FOR 60 DAYS. GROUND FUNCTIONAL TEST GOOD.