Service difficulty report · Control Valve · Boeing 7272S7

Difficulty date
March 2, 2001
Submitted
March 23, 2001
Operation
Air carrier
Aircraft
N681CA
Make and model
Boeing 7272S7
Aircraft serial
22020
Part
Control Valve
Part number
39270811
Part serial
P1705
Condition
Failed
Location
Anti-Ice Sys
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

ENG NR 2 DUCT OVERHEAT LIGHT ILLUMINATED ON CLIMBOUT PERFORMED CHECKLIST REDUCED POWER AND TURNED ENG NR 2 ANTI-ICE OFF WHEN NO LONGER NEEDED. REMOVED AND REPLACED THERMOSTATIC CONTROL VALVE PER MM 30-21-21, PERFORMED HIGH POWER ENGINE RUN, OPS CHECKED GOOD AND NO LEAKS NOTED.

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