Service difficulty report · Unknown · Boeing 737890

Difficulty date
April 29, 2012
Submitted
May 1, 2012
Operation
Air carrier
Aircraft
N513AS
Make and model
Boeing 737890
Aircraft serial
35192
Aircraft time
13,719 hours, 4,408 cycles
Engine
Cfmint CFM567B273
Part
Unknown
Condition
Unknown
Stage of operation
TX
How discovered
O
Nature of condition
O
Precautionary procedure
O

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

What was found

WHEN STARTING THE LT NR 1 ENGINE IT TAKES 5 SEC FOR THE START VALVE OPEN LIGHT TO COME ON AS WELL AS 5 SEC BEFORE N2 ROTATION HAS STARTED WHEN START SWITCH MOVES TO OFF IT TAKES THE SV OPEN LIGHT 4 SECONDS TO GO OUT. NEXT FLIGHT CREW PERFORMED NR 1 ENG START MAINT/FLIGHT CREW REPORTED NO DISCREPANCIES ON START UP OR SHUTDOWN. NO LEAKS NOTED REF MM 80-11-03, SSM 80-11-11, PG 101. ACFT OK FOR CONT SERVICE.