Service difficulty report · Turbine · Boeing 767322

Difficulty date
November 14, 2013
Submitted
November 19, 2013
Operation
Air carrier
Aircraft
N671UA
Make and model
Boeing 767322
Aircraft serial
30026
Aircraft time
51,381 hours, 12,650 cycles
Engine
Pwa PW4052
Engine time
84,130 hours, 16,442 cycles
Part
Turbine
Part number
PW606R
Part serial
717695
Condition
Obstructed
Location
Nr 2 Engine
Part time
84,130 hours, 16,442 cycles
Stage of operation
IN
How discovered
B
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

NR 2 ENG SN 717695 WHILE PERFORMING BORESCOPE INSPECTION EC6281-21 WHEN INSERTED SCOPE IN AP-10 PORT FOUND A PIECE OF DEBRIS CAUGHT ON THE GUIDE VANES FWD OF TURBINE 3. TOOK PICTURES & NOTIFIED TOMC IAW AMM 71-00-02 TOD. COMPLETED STEPS 1 TO 5C.4. OF REMOVAL PROCESS CONT OF AMIS ITEM 3812035 CONTINUED ENG 2 CHANGE IAW AMM 71-00-02, FROM STEP 5.C.5 TO STEP 6.E.1.