SDR 2024F00269

Service difficulty report · Circuit Card · Boeing 747446

Difficulty date
November 5, 2024
Submitted
November 5, 2024
Operation
General aviation
Aircraft
N344KD
Make and model
Boeing 747446
Aircraft serial
26344
Aircraft time
95,100 hours, 18,183 cycles
Part
Circuit Card
Condition
Dirty
Location
Aflots
Stage of operation
CR
How discovered
V
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

DISCREPANCY: TWO CONSECUTIVE FALSE "FIRE MAIN DECK AFT" AT 1942Z IN CRUISE. CORRECTIVE ACTION: CLEANED AFOLTS CARD YW8A005 PER FIM 2C-16 TASK 877. FIRE SYSTEM TEST PASSED. FIRE SYSTEM GROUND TEST PERFORMED IAW AMM 26-11-00. SYSTEM OK.