Service difficulty report · Exciter · Boeing 737890

Difficulty date
August 24, 2019
Submitted
August 27, 2019
Operation
Air carrier
Aircraft
N590AS
Make and model
Boeing 737890
Aircraft serial
35687
Aircraft time
44,256 hours, 13,347 cycles
Engine
Cfmint CFM567B27B3
System (JASC)
7412 · Exciter
Part
Exciter
Part number
9238M66P08
Part serial
UNJHL888
Condition
Failed
Location
Nr 1 Engine
Part time
44,034 hours, 13,140 cycles
Stage of operation
TX
How discovered
O
Nature of condition
O
Precautionary procedure
D

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

What was found

UPON STARTING ENG #1, NO LIGHT OFF AFTER PLACING START LEVER TO IDLE. IGN SELECTOR WAS ON "IGN RIGHT". GROUNDED - YES. PERFORMED FIM 74-21 TASK 807. REMOVED AND REPLACED #1 ENG R/H MAIN IGNITER REF AMM 74-21-02. REMOVED AND REPLACED IGNITION EXCITER REF AMM 74-11-01. OPS CHECK GOOD ON #1 ENG R/H MAIN IGNITER AND R/H IGNITION EXCITER. PERFORMED #1 ENGINE RUN. OPS CHECK GOOD.