Service difficulty report · Relay · Boeing 74747UF

Difficulty date
July 16, 2013
Submitted
July 16, 2013
Operation
Air carrier
Aircraft
N498MC
Make and model
Boeing 74747UF
Aircraft serial
29259
Aircraft time
60,495 hours, 9,055 cycles
Part
Relay
Condition
Malfunctioned
Location
Fire Detection
Stage of operation
CR
How discovered
O
Nature of condition
N
Precautionary procedure
F

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

What was found

AT ABOUT 0200, EICAS MESSAGE "FIRE APU" ILLUMINATED FOLLOWED BY FIRE WARNING BELL. COMPLETED QRH 8.1. REPLACED RELAY R7690 AND APU AFLOTS CARD.

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