SDR UIEA2012033000111

Service difficulty report · Smoke Detector · Boeing 74747UF

Difficulty date: March 29, 2012
Submitted: March 30, 2012
Operation: Air carrier
Aircraft: N415MC
Make and model: Boeing 74747UF
Aircraft serial: 32837
Aircraft time: 42,593 hours, 6,828 cycles
System (JASC): 2611 · Smoke Detection
Part: Smoke Detector
Part number: 2156556
Part serial: 166
Condition: Faulted
Location: Main Deck Cargo
Stage of operation: CR
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

FIRE MAIN DECK AFT AT 1:20 FROM AMS, VERIFIED PHYSICALLY THERE WAS NO FIRE. EICAS FOLLOWED STATUS MESSAGES MAIN DECK CARGO 12 LP A, INDICATING A FALSE WARNING. FOUND MAIN DECK CARGO SMOKE DETECTOR 12A AT FAULT, R & R RT SMOKE DETECTOR 12A IAW AMM 26-14-02, TESTED SATISFACTORY.

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