Service difficulty report · Circuit Card · Boeing 74744AF

Difficulty date
May 26, 2021
Submitted
May 28, 2021
Operation
Air carrier
Aircraft
N575UP
Make and model
Boeing 74744AF
Aircraft serial
35664
Aircraft time
48,389 hours, 7,293 cycles
Part
Circuit Card
Part number
285N0028136
Part serial
D17244
Condition
No Test
Location
Fire Detection
Stage of operation
IN
How discovered
C
Nature of condition
L
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/AFINDING OF DOC FIRE SYSTEM TEST FAIL.PERFORMED FIM 26-16-00-812-902, REPLACED AFOLTS A6 CARD IAW AMM 26-10-01-401. PERFORMED OPS TEST IAW AMM 26-10-01-754-013. TEST PASSED. P/N ON-OFF: 285N0028-136, S/N ON: D18599, S/N OFF: D17244. EFF REF IPC 26-10-01-01-050K

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