Service difficulty report · Control Unit · Boeing 767323

Difficulty date
August 7, 2021
Submitted
August 11, 2021
Operation
Air carrier
Aircraft
N379CX
Make and model
Boeing 767323
Aircraft serial
25199
Aircraft time
104,889 hours, 18,336 cycles
Part
Control Unit
Condition
Faulted
Location
Apu
Stage of operation
TX
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

DISCREPANCY: APU FAULT ON START ATTEMPT ON THE GROUND. CORRECTIVE ACTION: PERFORMED APU CONTROL UNIT BITE TEST, MESSAGE RESET BOX IAW AMM 49-61-05. OPERATED SEVERAL TIMES AND WORKS NORMAL IAW AMM 49-11-00