Service difficulty report · Fire Warning · Beech E90

Difficulty date
October 6, 2010
Submitted
October 7, 2010
Operation
General aviation
Aircraft
N181CG
Make and model
Beech E90
Aircraft serial
LW225
Aircraft time
7,528 hours, 8,385 cycles
Engine
Pwa PT6A135A
Part
Fire Warning
Condition
False Activation
Location
Zone 400
Stage of operation
CR
How discovered
O
Nature of condition
N
Precautionary procedure
E, B, A

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

What was found

FIRE WARNING ON RT ENGINE WITH NO SUPPORTING EVEDENCE OF ACTUAL FIRE. CHECK LIST COMPLIED WITH AND PRECAUTIONARY LANDING ACCOMPLISHED. INSPECTED AND TROUBLESHOT FIRE DETECTION SYS IAW MM 26-10-00 CHART 101, PROBLEM NR4. NO DEFECT NOTED CLEANED AND DRIED ELECTRICAL CONNECTORS IN THE FIRE DETECTION SYS COULD NOT DUPLICATE THE RT FIRE INDICATION ON THE GROUND. R & R RT FIRE EXTINGUISHER SUPPLY CYLINDER IAW MM 26-20-00 PAGE 203 PN 861-006. HYDRO STATIC TESTED 10/2010.

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