Service difficulty report · Indicator · Boeing 747446

Difficulty date
July 12, 2026
Submitted
July 15, 2026
Operation
Air carrier
Aircraft
N936CA
Make and model
Boeing 747446
Aircraft serial
25308
Aircraft time
94,072 hours, 18,618 cycles
Part
Indicator
Condition
No Discrepancy
Location
Zone 200
Stage of operation
CL
How discovered
O
Nature of condition
O
Precautionary procedure
A

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

What was found

AIRSPEED UNRELIABLE. PERFORM OPS TEST IAW AIRCRAFT MAINTENANCE MANUAL 34-12-00. NO FAULTS NOTED. AIRCRAFT EXPERIENCED AN EQUIPMENT COOLING FAILURE PRIOR TO THE AIRSPEED BECOMING UNRELIABLE.