Service difficulty report · Circuit Card · Boeing 7673P6

Difficulty date
July 12, 2026
Submitted
July 13, 2026
Operation
Air carrier
Aircraft
N764CK
Make and model
Boeing 7673P6
Aircraft serial
26234
Aircraft time
89,917 hours, 28,356 cycles
Part
Circuit Card
Part number
89873202
Part serial
1642
Condition
Defective
Location
Zone 200
Stage of operation
NR
How discovered
O
Nature of condition
N
Precautionary procedure
O

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

What was found

LEFT ENG FIRE LOOP NR 2 STATUS MSG. DUE TO PREVIOUS T/S HISTORY SUSPECTED AFOLTS CARD M-681 BAD. REMOVED OLD THEN INSTALLED NEW M682 AFOLTS CARD PER AMM 26-10-01. TEST OK. DI 75012 CLEARED. PLACARD REMOVED. NO REACTIVATION PROCEDURES REQUIRED. A/C VERIFIED NO ETOPS. A/C RETURNED TO SERVICE.

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