Service difficulty report · Isolation Valve · Boeing 76733A

Difficulty date
April 27, 2009
Submitted
April 27, 2009
Operation
Air carrier
Aircraft
N583HA
Make and model
Boeing 76733A
Aircraft serial
24257
Aircraft time
74,401 hours, 13,564 cycles
Part
Isolation Valve
Part number
2780539103
Part serial
1924
Condition
Malfunctioned
Location
Bleed System
Part time
2,137 hours, 394 cycles
Stage of operation
TX
How discovered
O
Nature of condition
J
Precautionary procedure
O

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

What was found

ETOPS SIGNIFICANT SYSTEM, BLEED VALVE ISOLATION VALVE LIGHT ILLUMINATED AFTER LANDING. REMOVED AND REPLACED LEFT ISO VLV AS PER AMM 36-11-04 PG 401.

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