SDR IPXA2015020685570

Service difficulty report · Fire Loop · Doug MD11F

Difficulty date: February 3, 2015
Submitted: February 6, 2015
Operation: Air carrier
Aircraft: N256UP
Make and model: Doug MD11F
Aircraft serial: 48405
Engine: Ge CF680C2D1F
System (JASC): 2612 · Fire Detection
Part: Fire Loop
Condition: False Activation
Location: Nr 3 Nacelle
Stage of operation: LD
How discovered: O
Nature of condition: J
Precautionary procedure: A, E

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

What was found

AT 500 AGL A LEVEL 3 ENGINE FIRE ALERT. EMERGENCY DECLARED, LANDED AND SHUTDOWN NR 3 ENGINE. REPLACED NR 3 ENG FDCU IAW MM 26-11-02. REPLACED FIRE DETECTOR DH4-DH7 IAW MM 26-11-03. R & R TERMINAL BLOCK TB3 IAW MM 71-50-04-000-808 AND 71-50-04-400-808. REPLACED NR 3 ENG FIRE DETECTOR HARNESS ALOP H4 TO H23 IAW MM 71-50-04 & 71-50-20-01-32. REPLACED NR 3 ENG A LOOP HARNESS. BITE CHECK OK. RAN ENGINES. ACFT OK FOR SERVICE.

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