SDR HYIA20150911001

Service difficulty report · Bolt · Cessna 402C

Difficulty date: August 20, 2015
Submitted: September 11, 2015
Operation: Air carrier
Aircraft: N401SX
Make and model: Cessna 402C
Aircraft serial: 402C0447
Aircraft time: 17,802 hours, 1,721 cycles
Engine: Cont TSIO520VB
System (JASC): 8550 · Reciprocating Engine Oil System
Part: Bolt
Condition: Severed
Location: Rt Engine
Component: Engine · Cont · TSIO520VB
Component part number: TSIO520VB
Stage of operation: TX
How discovered: O
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

ON PREFLIGHT, PILOT REPORTED THE RT NACELLE, LG, FLAP & WING WERE OIL SOAKED & PUDDLES OF OIL UNDER THE WING. INSPECTED & FOUND THE SCAVENGE PUMP DRIVE GEAR BOLTS SEVERED. REPLACED THE RT ENG WITH NO FURTHER DEFECT NOTED. ENG WAS SENT OUT FOR TEAR DOWN.

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