Service difficulty report · Isolation Valve · Boeing 777232

Difficulty date
October 22, 2000
Submitted
October 24, 2000
Operation
Air carrier
Aircraft
N861DA
Make and model
Boeing 777232
Aircraft serial
29952
Aircraft time
6,311 hours, 1,582 cycles
Engine time
6,318 hours, 1,585 cycles
Part
Isolation Valve
Condition
Failed
Location
Nr 1 Engine
Stage of operation
CL
How discovered
O
Nature of condition
J
Precautionary procedure
A

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

What was found

AFTER T/O EICAS MSG BLEED LOSS WING L APPEARED AND LEFT ENG ISOL. PERFORMED SYSTEM TEST ON LT ASCPC, PASSED AND NO FAULTS ON MAT. CHECKED PNEUMATIC LINES ON ENGINE, ALL OK. REPLACED DLODS LT CARD A5 P85