Service difficulty report · Fire Loop · Doug MD11F

Difficulty date
April 8, 2021
Submitted
April 8, 2021
Operation
Air carrier
Aircraft
N584FE
Make and model
Doug MD11F
Aircraft serial
48436
Aircraft time
89,590 hours, 20,877 cycles
Part
Fire Loop
Part number
7101135117575
Condition
Failed
Location
Nr 3 Engine
Stage of operation
CL
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

ON CLIMBOUT FROM MEM LEVEL 1 FIRE DET 3 FAULT FOLLOWED BY MOMENTARY LVL 3 ENGINE FIRE CYCLING IMMEDIATLY BACK TO LVL 1 FIRE DET 3 FAULT. LVL 1 FIRE DET 3 FAULT CYCLED ON & OFF FOR 10 MIN THEN EXTINGUSHED TROUBLESHOT PER MD-11 FIM 26-11-00-1-1. NO FAULTS SHOWED AFTER TROUBLESHOOTING, PER MOCC REPLACED #3 ENGINE LOOP B LOWER TURBINE RESPONDER (DH8) REFERENCE MD-11 AMM 26-11-03-4-1. OK FOR SERVICE.

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