Service difficulty report · Exciter · Boeing 757222

Difficulty date
August 16, 2009
Submitted
September 2, 2009
Operation
Air carrier
Aircraft
N596UA
Make and model
Boeing 757222
Aircraft serial
28749
Aircraft time
45,711 hours, 12,691 cycles
Engine
Pwa PW2037
System (JASC)
7412 · Exciter
Part
Exciter
Part number
476493
Part serial
39
Condition
Faulted
Location
Lt Engine
Stage of operation
IN
How discovered
V
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

LEFT ENGINE NR 1 IGNITION SYSTEM INOPERATIVE. AUDIBLE IGNITION CHECKED GOOD. REPLACED NR 1 IGN PLUG PRECAUTIONARY. STARTED ENGINE 4X AND IGNITION TIMES VARY FROM 3-10 SECS EACH TIME BUT LIT OFF OKAY. IF PROBLEM PERSIST, MAY WANT TO SUSPECT POSSIBLE FUEL START NOZZLE ATOMIZATION SPRAY.