Service difficulty report · Reduction Gb · Dhav DHC8311

Difficulty date
June 9, 2005
Submitted
July 11, 2005
Operation
General aviation
Make and model
Dhav DHC8311
Aircraft time
27,831 hours
Engine
Pwa PW123
Propeller
Hamstd 14SF15
Part
Reduction Gb
Part number
3036180
Part serial
RGB123052
Condition
Making Metal
Location
Nr 2 Engine
Part time
29,392 hours, 11,410 cycles
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 ROUTINE MAINTENANCE INSPECTION , NR 2 ENGINE RGB CHIP DETECTOR FOUND FLAGGED. WHEN REMOVING CHIP DETECTOR FOR INSPECTION , AUTO SHUTOFF DID NOT ACTIVATE AS LARGE METAL CHIP FOUND HOLDING CHIP DETECTOR BASE VALVE OPEN. CHIP POSSIBLY GEAR MATERIAL. CHIP LARGE ENOUGH TO STRADDLE BOTH PINS OF CHIP DETECTOR. ENTIRE ENGINE ASSEMBLY REMOVED, TO BE FORWARDED TO REPAIR FACILITY.