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SDR WRNA200300010

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Service difficulty report · Fire Loop · Lkheed 10113851

FAA SDR system

Difficulty date
May 21, 2003
Submitted
May 21, 2003
Operation
Air carrier
Aircraft
N311EA
Make and model
Lkheed 10113851
Aircraft serial
193A1012
Engine
Rroyce RB21122B02
Engine time
38,367 hours, 13,734 cycles
System (JASC)
2612 · Fire Detection
Part
Fire Loop
Condition
False Activation
Location
Nr 3 Engine
Stage of operation
CL
How discovered
O
Nature of condition
J
Precautionary procedure
E, J, A

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

What was found

AFTER TAKE OFF AND DURING CLIMB OUT A FULL FIRE INDICATION ON NR 3 ENGINE. LOOP A & B ON, FIRE HANDLE ON, FIREBELL ON. ENGINE WAS SHUTDOWN, FIRE INDICATION OFF IMMEDIATLY AFTER ENGINE SHUTDOWN. FIRE BOTTLES NOT FIRED. FUEL DUMPED (APPROX. 8800 GALLONS) AIRCRAFT RETURNED TO FIELD, LANDED NORMAL. INSPECTED ALL PYLON DUCTS AND CAMPS. RETORQUED ALL CONNECTIONS DUE TO RESCENT ENGINE CHANGE PER 36-12-00. RAN ENGINE TO 1.20 IEPR, 45 PSI DUCT PRESSURE, NO FIRE WARNING FAULTS NOTED. AIRCRAFT RETURNED TO SERVICE.