Service difficulty report · Altimeter · Bolkms BO105S

Difficulty date
March 26, 1998
Submitted
March 26, 2000
Operation
Air carrier
Aircraft
N4294R
Make and model
Bolkms BO105S
Aircraft serial
S860
Part
Altimeter
Part number
066106103
Condition
Failed
Location
Radar Alt
Stage of operation
IN
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

LOW POWER OUT, BELOW SPECS. PERFORMED PRELIMINARY INSPECTION. FOUND UNIT OUT OF SPECS. ALIGNED UNIT TO SPECS, WHILE TESTING UNIT, FOUND POWER OUT WEAK (23MW). TROUBLESHOT UNIT AND CHECKED VOLTAGE ON OSCILLATOR CURRENT REGULATOR BOARD. VOLTAGE CHECKS GOOD. CONTINUEDTROUBLESHOOTING AND FOUND STRIPLINE CAUSING PROBLEM.