Service difficulty report · Harness · Beech 99A

Difficulty date
May 28, 2000
Submitted
June 20, 2000
Operation
Air carrier
Aircraft
N99GH
Make and model
Beech 99A
Aircraft serial
U112
Engine
Pwa PT6A28
Part
Harness
Part number
3031417CL3
Condition
Shorted
Location
Rt Engine
Stage of operation
IN
How discovered
V
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

RIGHT ENGINE ITT READING LOW IN ALL CONDITIONS OF OPERATION. DETERMINED PROBLEM TO BE AN INTERNAL SHORT IN THE TRIM HARNESS ON THE RIGHT ENGINE. REPLACED TRIM HARNESS WITH SERVICEABLE TRIM HARNESS AND CALIBRATED ITT AIRFRAME SYSTEM RESISTANCE. INSPECTED ENGINE FOR HIDDEN DAMAGE. NO DAMAGE FOUND. PERFORMED JET-CALIBRATION OF ALL INDICATING SYSTEMS. PERFORMED DPS RUN. ALL CHECKED GOOD. (X)

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