SDR 9503016635

Service difficulty report · Computer · Boeing 747227B

Difficulty date
February 24, 1995
Submitted
March 26, 2000
Operation
Air carrier
Aircraft
N635US
Make and model
Boeing 747227B
Aircraft serial
21682
Part
Computer
Part number
37571832
Condition
Inoperative
Location
E/E Compartment
Part time
27,190 hours
Stage of operation
CR
Nature of condition
J
Precautionary procedure
A

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

What was found

DURING CRUISE, THE CAPTAIN'S MACH INDICATOR, VSI, TAS INDICATOR, AND EPRL BEGAN TO FLUCTUATE. THE NR 1 AUTO-PILOT AND AUTO-THROTTLES BECAME INOPERATIVE. THE AIRCRAFT DIVERTED TO HNL AND LANDED WITHOUT INCIDENT. REPLACED THE NR 1 CENTRAL AIR DATA COMPUTER. OPERATIONAL CHECK OK.