Service difficulty report · Gasket · Lear 31A

Difficulty date
June 16, 2005
Submitted
July 29, 2005
Operation
Air carrier
Aircraft
N39TW
Make and model
Lear 31A
Aircraft serial
047
Engine
Garrtt TFE73123B
Part
Gasket
Part number
30710272
Condition
Worn
Location
N1 Monopole
Part time
4,133 hours
Stage of operation
CL
How discovered
O
Nature of condition
J
Precautionary procedure
K

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

What was found

DURING CLIMB, AT ALTITUDE, THE NR 2 ENGINE FIRE WARNING ILLUMINATED, ITT INDICATED 801 DEGREES, WARNING CEASED WITHIN 10 SECONDS AFTER THRUST WAS REDUCED BELOW 780 DEGREES ITT. ALL ENGINE INDICATIONS WERE NORMAL. MAINTENANCE TROUBLESHOT NR 2 ENGINE FIRE WARNING LIGHT ILLUMINATION TO A LEAKING N1 MONOPOLE GASKET. MAINTENANCE REPLACED MONOPOLE GASKET. A SATISFACTORY OPERATIONAL AND LEAK TET WAS CONDUCTED AND THE AIRCRAFT WAS RTS. (K)

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