Service difficulty report · Valve · Boeing 767306

Difficulty date
October 2, 2017
Submitted
October 3, 2017
Operation
Air carrier
Aircraft
N1229A
Make and model
Boeing 767306
Aircraft serial
28884
Aircraft time
66,650 hours, 14,193 cycles
Part
Valve
Part number
7738556
Part serial
910121
Condition
Inoperative
Location
Left
Stage of operation
CL
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

LEFT ENGINE DUCT PRESSURE FLUCTUATED DURING CLIMB. REMOVED AND REPLACED FAMV, VALVE HANGS UP. LT FAMV HAS OPEN CIRCUIT BETWEEN CONNECTORS D2378A PIN 8A AND V343 PIN 1 IAW AMM 36-11-16. FAMV REACTIVATED, CLEANED ELECTRICAL TERMINAL STRIPS. FAMV CHANGED. OPS AND LEAK CHECKED GOOD IAW AMM 36-11-16.