Service difficulty report · Circuit Breaker · Boeing 767322

Difficulty date
November 19, 2012
Submitted
December 13, 2012
Operation
Air carrier
Aircraft
N643UA
Make and model
Boeing 767322
Aircraft serial
25093
Aircraft time
92,499 hours, 14,630 cycles
Engine
Pwa PW4060
Part
Circuit Breaker
Part number
B4301
Part serial
413
Condition
Faulty
Location
Apu
Stage of operation
IN
How discovered
O
Nature of condition
O
Precautionary procedure
O

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

What was found

APU GEN DEF INOPERATIVE. ACP VISUAL CHECK OF WIRING PER SVC TIP MM24-21-01 PG200A. THIS SYSTEM HAD WIRE ISSUES (SEQ 1062012,1062011), IF NO DEFECTS NOTICED, REPLACE THE AUX POWER BREAKER (C905)PER MM. REPLACE APU GEN PER MM. DO NOT SIGN THIS DF ITEM AS CHECKED OKAY. REPLACED APU GCB PER MM, ALL OPS CHECKS NORMAL.