Service difficulty report · Exciter · Boeing 737890

Difficulty date
May 7, 2014
Submitted
May 15, 2014
Operation
Air carrier
Aircraft
N558AS
Make and model
Boeing 737890
Aircraft serial
35177
Aircraft time
30,042 hours, 8,828 cycles
Engine
Cfmint CFM567B27
System (JASC)
7412 · Exciter
Part
Exciter
Part number
106310452
Part serial
UNNEN606
Condition
Failed
Location
Nr 2 Engine
Part time
39,618 hours, 17,349 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

NR 2 ENGINE DID NOT START, AFTER 10 SECONDS OF START LEVER IN IDLE POSITION. FUEL FLOW INDICATED 560 LBS/HR LT IGNITION SELECTED. ACFT GROUNDED. SWAPPED LT IGNITOR LEAD TO THE RIGHT EXCITER BOX & L IGNITOR. OPS CHECED GOOD. REINSTALLED RT LEAD TO RT EXCITER. REMOVED & REPLACED LT EXCITOR BOX IAW MM 74-11-01. OPS CHECKED GOOD.