Service difficulty report · Isolation Valve · Boeing 767316

Difficulty date
October 7, 2018
Submitted
October 8, 2018
Operation
Air carrier
Aircraft
N1381A
Make and model
Boeing 767316
Aircraft serial
27615
Aircraft time
84,912 hours, 18,031 cycles
Part
Isolation Valve
Part number
2780539103
Part serial
2015
Condition
Faulty
Location
Bleed Air Sys
Stage of operation
TX
How discovered
O
Nature of condition
J
Precautionary procedure
D

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

What was found

EICAS MSG: LT ISL BLD VALVE ON ENG START. CONTACTED DISPATCH TOLD TO RETURN TO BLOCKS. REMOVED AND REPLACED NR 1 ENG ISOLATION VALVE ASSY IAW AMM 36-11-04, OPS CHECKS GOOD.