Service difficulty report · Warning Message · Boeing 7673P6

Difficulty date
June 21, 2026
Submitted
June 22, 2026
Operation
Air carrier
Aircraft
N764CK
Make and model
Boeing 7673P6
Aircraft serial
26234
Aircraft time
89,824 hours, 28,302 cycles
Part
Warning Message
Condition
False Activation
Location
Zone 400
Stage of operation
IN
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

ON PREFLIGHT HAD A STATUS LEVEL L ENG FIRE LP1 THRT WOULD NOT CLEAR. MTX GROUNDED A/C AND PERFORMED OPS CHECK OF FIRE OVHT. MSG CLEARED. AIRCRAFT REMAINS NO ETOPS IAW B767 AMM 26-11-00. OPS CHECK GOOD. MTX RETURNED A/C TO SERVICE.

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