SDR UIEA2014102900512

Service difficulty report · Circuit Card · Boeing 74747UF

Difficulty date: October 27, 2014
Submitted: October 29, 2014
Operation: Air carrier
Aircraft: N492MC
Make and model: Boeing 74747UF
Aircraft serial: 29253
Aircraft time: 69,189 hours, 12,026 cycles
System (JASC): 2612 · Fire Detection
Part: Circuit Card
Condition: Malfunctioned
Location: Fire Warning
Stage of operation: IN
How discovered: O
Nature of condition: N
Precautionary procedure: K

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

What was found

DURING PREFLIGHT, FIRE BELL SOUNDED IMMEDIATLY, NO OTHER ASSOCIATED EICAS, TROUBLESHOT ISSUE IAW WDM/SSM 26-16-04 SUSPECT FAULTED A29 CARD IN M826, SWAPPED W/ A15 IN M5206 NO FURTHER ISSUES AT THIS TIME FIRE TEST PASSED IAW AMM 26-16-00.

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