SDR 8PCR20151027001

Service difficulty report · Nut · Cessna 402C

Difficulty date: October 8, 2015
Submitted: October 27, 2015
Operation: Air carrier
Filed by: 8PCR980B
Pinnacle Aircraft Engines LLC
Aircraft: N161TA
Make and model: Cessna 402C
Aircraft serial: 402C0070
Engine: Cont TSIO520VB
Engine time: 1,533 hours
System (JASC): 8520 · Reciprocating Engine Power Section
Part: Nut
Part number: 652541
Condition: Fractured
Location: Engine
Part time: 1,533 hours, 1,533 cycles
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

DURING ROUTINE INSPECTION, TWO THROUGH BOLT NUTS, TWELVE POINT PN 652541, WERE FOUND FRACTURED & LAYING IN THE BOTTOM OF THE ENG COWLING. THE ENG HAS BEEN REMOVED TO BE DISASSEMBLED, INSPECTED & OVERHAULED. THE NUTS WERE RETURNED TO THE ENG MFG FOR FURTHER EXAMINATION.

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