Service difficulty report · Exciter · Boeing 777222

Difficulty date
June 21, 2009
Submitted
June 24, 2009
Operation
Air carrier
Aircraft
N781UA
Make and model
Boeing 777222
Aircraft serial
26945
Aircraft time
52,330 hours, 9,549 cycles
Engine
Pwa PW4077
System (JASC)
7412 · Exciter
Part
Exciter
Part number
50U984
Part serial
253
Condition
Failed
Location
Lt Eng
Stage of operation
IN
How discovered
9
Nature of condition
O
Precautionary procedure
K

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

What was found

ENG IGNITER L1 LEFT ENGINE FAILED TO IGNITE USING IGNITER 1. REPLACED IGNITION LEAD, IGNITION PLUG & EXCITER BOX, OP TEST OKAY.