SDR 2003F00161

Service difficulty report · Bleed Valve · Lear 35A

Difficulty date
December 18, 2002
Submitted
March 28, 2003
Operation
Air carrier
Aircraft
N50MJ
Make and model
Lear 35A
Aircraft serial
164
Engine
Garrtt TFE73122B
Part
Bleed Valve
Part number
97881251
Condition
Sticking
Location
Nr 2 Engine
Stage of operation
CL
How discovered
O
Nature of condition
M, J
Precautionary procedure
A

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

What was found

RIGHT ENGINE DEVELOPED ITT SPLIT 60 DEGREES HOTTER THAN NR 1. EXTENSIVE MAINTENANCE TROUBLESHOOTING WITH NUMEROUS GROUND RUNS COULD NOT DUPLICATE THIS PROBLEM. ENGINE WAS ACCESSED TO SURGE BLEED VALVE DUE TO SUPPOSED INTERMITTENT STICKING. REPLACED SURGE BLEED VALVE. (M)

More about the Lear 35A