Service difficulty report · Exciter · Boeing 767375

Difficulty date
October 17, 2018
Submitted
October 22, 2018
Operation
Air carrier
Aircraft
N1709A
Make and model
Boeing 767375
Aircraft serial
24086
Aircraft time
91,100 hours, 21,008 cycles
Part
Exciter
Part number
38880585
Part serial
92382735
Condition
Malfunctioned
Location
Apu
Stage of operation
TX
How discovered
C
Nature of condition
G
Precautionary procedure
O

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

What was found

APU FAULT. APU INOP. PERFORMED OPS CHECK OF APU IAW AMMM 49-11-00. NO LIGHT OFF (NO EGT RISE) BITE CHECK OF ECU IAW FIM 49-11-FT958, ECU BITE SAID IGN UNIT. R&R APU EXCITER BOX IAW AMM 49-41-03. REMOVED AND REPLACED APU IGNITION LEAD IAW AMM 49-41-04, P/N 3888076-3, NSN. REMOVED AND REPLACED APU IGNITION PLUG IAW AMM 49-41-02. OPS CHECK GOOD.