Service difficulty report · Cadc · Boeing 747128

Difficulty date
June 30, 1997
Submitted
March 26, 2000
Operation
Air carrier
Aircraft
N3203Y
Make and model
Boeing 747128
Aircraft serial
19751
Part
Cadc
Part number
19039253
Condition
Failed
Location
Rt Cockpit
Stage of operation
CR
Nature of condition
O
Precautionary procedure
K

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

What was found

FIRST OFFICER'S ALTIMETER READS 300 FT HIGH AT 31,000 FEET, MACH METER READS .03 HIGH, AND IAS READS NORMAL. REPLACED CADC IAW MAINTENANCE MANUAL 34-12-01 PG 401, OPERATIONAL CHECK PER 34-12-00 PG 508-5.