Service difficulty report · Fire Detector · Boeing 74746NF

Difficulty date
May 12, 2022
Submitted
May 13, 2022
Operation
Air carrier
Aircraft
N451PA
Make and model
Boeing 74746NF
Aircraft serial
30809
Aircraft time
15,093 cycles
Part
Fire Detector
Condition
Warning Message
Stage of operation
CR
How discovered
O
Nature of condition
J, N
Precautionary procedure
A

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

What was found

FIRE MAIN DECK AFT EICAS WARNING MESSAGE INTERROGATED CMC. FOUND MAIN DECK ZONE 12 FIRE DETECTOR LOOP A& B FAIL. PERFORMED FIRE TEST IAW AMM 26-14-00/501. TEST PASSED. MESSAGE CLEARED, NO FAULTS PRESENT.

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