Service difficulty report · Exciter · Boeing 737990ER

Difficulty date
November 27, 2022
Submitted
December 2, 2022
Operation
Air carrier
Aircraft
N402AS
Make and model
Boeing 737990ER
Aircraft serial
41189
Aircraft time
37,194 hours, 11,860 cycles
Engine
Cfmint CFM567B27E
System (JASC)
7412 · Exciter
Part
Exciter
Part number
106310452
Part serial
UNNEK952
Condition
Faulted
Location
Nr 2 Engine
Part time
81,575 hours, 34,230 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

#2 ENGINE FAILED TO START WITH THE RIGHT IGNITOR 2 FAILED ATTEMPTS. GROUNDED - YES. REMOVED AND REPLACED THE R/H IGNITER PLUG, R/H IGNITION LEAD AND EXCITER. OPS CHECK GOOD. PERFORMED TWO SUCCESSFUL ENGINE STARTS ON THE R/H IGNITION. REF AMM 74-21-01, AMM 74-21-02 AND AMM 74-11-01. ORIG SUB DATE: 12/1/2022