Service difficulty report · Combustion Tube · Beech 99

Difficulty date
April 8, 1996
Submitted
March 26, 2000
Operation
Air carrier
Make and model
Beech 99
Engine
Pwa PT6A20
Part
Combustion Tube
Part number
C10D40M
Condition
Cracked
Location
Heater
Component
Janitrol · C10D40M
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

(CAN)DURING A SCHEDULED 500 HOUR HEATER PRESSURE DECAY TEST, LEAKAGE RATE WAS FOUND TO BE EXCESSIVE. UNABLE TO PINPOINT THE EXACT LOCATION DUE TO ACCESS PROBLEMS. HEATER WAS REPLACED AND SENT FOR OVERHAUL.

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