Service difficulty report · Lock Nut · Cessna 560XL

Difficulty date
March 25, 2013
Submitted
May 10, 2013
Operation
Air carrier
Aircraft
N594QS
Make and model
Cessna 560XL
Aircraft serial
5605697
Aircraft time
3,732 hours, 2,920 cycles
Engine
Pwc PW545B
Engine time
3,732 hours, 2,920 cycles
Part
Lock Nut
Part number
ST324709
Condition
Unserviceable
Location
Engine
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

ACCOMPLISH BORESCOPE INSPECTION OF COMBUSTION CHAMBER LINER COOLING RING SEGMENT SELF LOCKING NUTS. COMPLIED WITH TASK CARD TC-5XL-72-100504R1 IAW TASK CARD INSTRUCTIONS AND SB30335R1 INSTRUCTIONS. FOUND 2 BOLTS CONDITION "D" (MISSING) AND ALL REMAINING BOLTS CONDITIONS "A" (TIGHT) OR "B" (FRETTED). NEXT INSPECTION DUE AT NEXT SCHEDUELED ENGINE ESV III MX EVENT.

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