Service difficulty report · Bleed Valve · Airtrc AT502B

Difficulty date
November 3, 2015
Submitted
April 22, 2016
Operation
Air carrier
Make and model
Airtrc AT502B
Aircraft time
177 hours
Engine
Pwa PT6A34AG
Propeller
Hartzl HCB3TN3
Part
Bleed Valve
Part number
307503301
Condition
Loose
Location
Engine
Part time
400 hours
Stage of operation
IN
How discovered
9
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 THE ANNUAL INSPECTION, A BORESCOPE OF THE COMPRESSOR SECTION WAS BEING CARRIED OUT. WHEN THE BLEED AIR VALVE ASSY WAS TO BE REMOVED TO PROVIDE ACCESS TO THE COMPRESSOR, IT WAS FOUND THAT THE BLEED AIR VALVE ASSY, PN 3075033-01, WAS LOOSE AND THE MOUNTING HARDWARE COULD BE REMOVED WITH FINGER PRESSURE. THE COMPRESSOR WAS SUBSEQUENTLY BORESCOPED WITH NO FAULTS FOUND, THE BLEED AIR VALVE ASSY. INSPECTED WITH NO DEFECTS, REINSTALLED, TORQUED IAW MM AND SAFETIED.