Service difficulty report · Anti-Ice Valve · Boeing 737401

Difficulty date
April 14, 2000
Submitted
June 7, 2000
Operation
Air carrier
Aircraft
N420US
Make and model
Boeing 737401
Aircraft serial
23987
Part
Anti-Ice Valve
Part number
1726257
Condition
Failed
Location
Nr 1 Engine
Part time
21,759 hours, 5,696 cycles
Stage of operation
CR
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

MCO - FLT 1431 - EN ROUTE FROM MIA-CLT, THE NR 1 ENGINE COWL ANTI-ICE LIGHT ILLUMINATED. CAPTAIN ELECTED TO DIVERT TO MCO. FLIGHT LANDED WITHOUT FURTHER INCIDENT. NO EMERGENCY WAS DECLARED. MAINTENANCE REMOVED AND REPLACED THE NR 1 ENGINE NOSE COWL ANTI-ICE VALVE AND THE NOSE COWL THERMAL OVERHEAT SWITCH (P/N 17343-116-825F). RAN ENGINE. OPERATIONAL CHECK GOOD. (M)