Service difficulty report · Test Switch · Boeing 767323

Difficulty date
August 9, 2021
Submitted
August 13, 2021
Operation
Air carrier
Aircraft
N379CX
Make and model
Boeing 767323
Aircraft serial
25199
Aircraft time
104,899 hours, 18,338 cycles
Part
Test Switch
Part number
43367310044026
Condition
Failed
Location
Boost Pump
Stage of operation
IN
How discovered
C
Nature of condition
L
Precautionary procedure
K

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

What was found

DISCREPANCY: FWD FUEL BOOST PUMP SWITCH PRESS TO TEST FUNCTION INOP. CORRECTIVE ACTION: REPLACED THE FWD LEFT PUSH BUTTON SWITCH ON FUEL MANAGEMENT PANEL IAW SWPM 20-83-00 AND AMM 28-22-17/401. OPS CHECK NORMAL IAW AMM 28-22-00/501