Service difficulty report · Circuit Card · Boeing 76733A

Difficulty date
October 10, 2025
Submitted
October 22, 2025
Operation
Air carrier
Aircraft
N567NC
Make and model
Boeing 76733A
Aircraft serial
28141
Aircraft time
70,215 hours, 13,024 cycles
Engine
Pwa PW4060
Part
Circuit Card
Condition
Faulted
Location
Fire Detection
Stage of operation
IN
How discovered
V
Nature of condition
O
Precautionary procedure
K

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

What was found

LEFT ENGINE FAILED AUTOMATIC FIRE / OVERHEAT LOGIC /TEST SYSTEM (AFOLTS) SYSTEM CHECK. CARDS WERE REPLACED WITH PN S332T301-181 SN 940, 699, 8823 AND 6780

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