Service difficulty report · Fire Warning · Doug MD11F

Difficulty date
February 10, 2020
Submitted
February 10, 2020
Operation
Air carrier
Aircraft
N572FE
Make and model
Doug MD11F
Aircraft serial
48755
Aircraft time
72,689 hours, 15,385 cycles
Part
Fire Warning
Condition
False Activation
Location
Nr 3 Engine
Stage of operation
AP
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

PDIS 572 26-10 5129 10FEB20 JFK FACT U ON FINAL HAD A ENGINE 3 FIRE WARNING START LEVER AND #3 FIRE HANDLE RED. SEVERAL SECONDS THAN EXTINGUISHED. NO ABNORMAL INDICATIONS. FACT 10FEB20 07:37 JFK U PERFORMED ENGINE RUN PER MD11 JRH. NO FAULTS FOUND . TROUBLESHOT PER FIM 26-11- 00- 1-1. PERFORMED RESISTANCE CHECK ON ENGINE #3 FDCU. LOOP A READ1446 OHMS AND LOOP B READ 1469 OHMS. BOTH WITHIN LIMITS. RTS TEST ON FDCU # 3 PASSED. NO CURRENT FAULTS FOUND. OK FOR SERVICE.

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