Service difficulty report · Isolation Valve · Boeing 737890

Difficulty date
September 28, 2009
Submitted
September 30, 2009
Operation
Air carrier
Aircraft
N579AS
Make and model
Boeing 737890
Aircraft serial
35187
Aircraft time
10,025 hours, 2,963 cycles
Part
Isolation Valve
Part number
2760000101
Part serial
7414
Condition
Faulty
Location
Bleed Air Sys
Part time
10,025 hours, 2,963 cycles
Stage of operation
IN
How discovered
O
Nature of condition
O
Precautionary procedure
K

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

What was found

HEARD LOUD NOISE COMING FROM ENGINE BLEED AIR ISOLATION VALVE. REMOVED AND REPLACED ENGINE BLEED AIR ISO VALVE REF AMM 36 10 04. VERIFIED PART WITH SEAMC IPC 36 10 04.