Service difficulty report · Circuit Breaker · Boeing 7374B7

Difficulty date
February 23, 1999
Submitted
March 26, 2000
Operation
Air carrier
Aircraft
N442US
Make and model
Boeing 7374B7
Aircraft serial
24841
Part
Circuit Breaker
Condition
Tripped
Location
Nr 2 Adc
Stage of operation
CL
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

PHL - FL325 - ON CLIMB-OUT FROM PHL, AT 3,000 FEET, THE F/O'S ALTIMETER AND AIRSPEED INDICATION BECAME INOPERATIVE. FLIGHT RETURNED TO FIELD AT PHL AND LANDED WITHOUT FURTHER INCIDENT. NO EMERGENCY WAS DECLARED. MAINTENANCE RESET THE NR 2 AIR DATA COMPUTER CIRCUIT BREAKER. SYSTEM OPERATIONAL CHECK GOOD ON GROUND. INSPECTED NR 2 AIR DATA COMPUTER FOR DEFECTS. NO DEFECTS NOTED. TESTED GOOD. (M)

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