SDR FDEA201607102343

Service difficulty report · Fire Loop · Doug MD11F

Difficulty date: July 10, 2016
Submitted: July 11, 2016
Operation: Air carrier
Aircraft: N593FE
Make and model: Doug MD11F
Aircraft serial: 48551
Aircraft time: 74,189 hours, 15,550 cycles
System (JASC): 2612 · Fire Detection
Part: Fire Loop
Condition: Faulted
Location: Nr 3 Nacelle
Stage of operation: DE
How discovered: O
Nature of condition: N
Precautionary procedure: O

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

What was found

PASSING 11,000 FT ON DESCENT, RECEIVED A MOMENTARY FIRE INDICATION ON NR 3 ENGINE LASTED 2 SECONDS AND WENT AWAY. NO OTHER INDICATIONS LEFT ENGINE AT IDLE AND LANDED WITHOUT SHUTTING IT DOWN. PERFORMED FDCU-3 FAULT REVIEW, LOOP B FAULTED, UPPER RIGHT FIRE DETECTOR ASSY A AND LOOP A FAULTED. RETURNED TO SERVICE.

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