Service difficulty report · Exciter · Boeing 777222

Difficulty date
September 10, 2013
Submitted
October 14, 2013
Operation
Air carrier
Aircraft
N228UA
Make and model
Boeing 777222
Aircraft serial
30556
Aircraft time
49,859 hours, 6,011 cycles
Engine
Pwa PW40903
System (JASC)
7412 · Exciter
Part
Exciter
Part number
50U984
Part serial
192
Condition
Failed
Location
Nr 2 Engine
Stage of operation
TX
How discovered
O
Nature of condition
J
Precautionary procedure
O

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

What was found

LEFT ENGINE FAILED TO IGNITE USING IGNITER 2. STATUS MESSAGE 7461501 INACTV ES MODE. EXAMINED NR 2 IGNITER CHECKED FROM IGNITER PLUG TO ERU, NO FAULTS FOUND IAW WDM74-11-71. REPLACED EXCITER, LEAD & PLUG IAW AMMS. ACCOMPLISHED IGNITER AUDIBLE TEST &TWO SUCCESSFUL ENGINE STARTS.