SDR CA010212025

Service difficulty report · Tube · Dhav DHC6300

Difficulty date: January 15, 2001
Submitted: February 23, 2001
Operation: Air carrier
Make and model: Dhav DHC6300
Aircraft time: 26,789 hours
Engine: Pwa PT6A27
System (JASC): 7261 · Turbine Engine Oil System
Part: Tube
Part number: 3008623
Condition: Cracked
Location: Lt 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

(CAN) DURING A SCHEDULED EMMA INSPECTION WHAT APPEARED TO BE A LONGITUDINAL CRACK APPROXIMATELY 6.5 INCHES WAS NOTICED IN THE FORWARD UPPER SCAVENGE OIL TUBE ON THE LEFT ENGINE. FURTHER VISUAL INSPECTION WAS CARRIED OUT USING A 10X MAGNIFYING GLASS. SUBSEQUENT TO THIS A DYE PENETRANT INSPECTION WAS PERFORMED. UPON DEVELOPMENT OF THE DYE PENETRANT IT BLED OUT CONSISTENT WITH A CRACK IDENTIFICATION.THE TUBE WAS REPLACED WITH AN OVERHAULED TUBE.