Service difficulty report · Circuit Card · Boeing 74744AF

Difficulty date
April 8, 2020
Submitted
April 10, 2020
Operation
Air carrier
Aircraft
N573UP
Make and model
Boeing 74744AF
Aircraft serial
35662
Aircraft time
44,633 hours, 6,847 cycles
Part
Circuit Card
Condition
Faulty
Location
Fire Warning
Stage of operation
CR
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

INSPECTION TYPE:N/A** ATB ** EICAS MESSAGE DET FIRE/OHT 3 ALONG WITH STATUS MESSAGES ENG 3 FIRE LP B ENG 3 FIRE 3 FIRE LP A RESULTED IN AN ATB 0004Z.R&R CIRCUIT CARD A15 DET FINAL OVHT #3 & CARD A12 ENG 3 FIRE LOOP B, PER FIM 26-11-00 MM 26-10-01. ALL OPS CHECK GOOD. RAN #3 ENGINE WITH NO ISSUES. ENG 3 A LOOP ALREADY DEFERRED ESR: IPC 26-10-01-11 ITEM 210

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