SDR CA990330010

Service difficulty report · Fire Loop · Cvac 340CVAC

Difficulty date: March 5, 1999
Submitted: March 26, 2000
Operation: Air carrier
Make and model: Cvac 340CVAC
Engine: Allsn 501D13D
System (JASC): 2612 · Fire Detection
Part: Fire Loop
Condition: Malfunctioned
Location: Nr 1 Engine
Stage of operation: CR
Nature of condition: N
Precautionary procedure: E, F

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

What was found

(CAN) NR 1 ENGINE ZONE 1 FIRE LIGHT AND BELL TRIGGERED. POWER LEVERS PULLED BACK WITH NO RESULT. 'E' HANDLED AND MAIN FIRE BOTTLES DEPLOYED. LIGHT STAYED ON, RESERVE BOTTLE FIRED LIGHT ON. THE FIRE LIGHT WHEN OUT ON APPROACH THROUGH 3,000 FEET. INSPECTED AIRCRAFT WIRING, LOOPS AND TAIL PIPE. NO FAULT FOUND. REPLACED THE FIRE WARNING CONTROL RELAY AND ZONE 1 FIRE LOOP.