Service difficulty report · Exciter · Boeing 737890

Difficulty date
August 10, 2014
Submitted
August 14, 2014
Operation
Air carrier
Aircraft
N585AS
Make and model
Boeing 737890
Aircraft serial
35683
Aircraft time
26,510 hours, 8,012 cycles
Engine
Cfmint CFM567B27B3
System (JASC)
7412 · Exciter
Part
Exciter
Part number
106310452
Part serial
UNJNL560
Condition
Failed
Location
Nr 1 Engine
Part time
20,865 hours, 6,277 cycles
Stage of operation
TX
How discovered
O
Nature of condition
J
Precautionary procedure
D

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

What was found

IGNITION SWITCH IN LT POS DID NOT GET FUEL FLOW ON START. NR 1 ENGIN FAILED START. ACFT GROUNDED. REPLACED NR 1 ENGINE LEFT EXCITER BOX IAW MM 74-11-01. ACCOMPLISHED NORMAL ENGINE START WITH IGNITION SWITCH IN LT POS REF MAINTENANCE CHECK LIST.