SDR HYIA20170828008

Service difficulty report · Fitting · Cessna 402C

Difficulty date: March 28, 2017
Submitted: August 28, 2017
Operation: Air carrier
Aircraft: N494BC
Make and model: Cessna 402C
Aircraft serial: 402C0308
Aircraft time: 32,803 hours, 16,773 cycles
System (JASC): 5415 · Nacelle/Pylon, Attach Fittings
Part: Fitting
Part number: 52920299
Condition: Cracked
Location: Lt Nacelle
Part time: 11,464 hours
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 A ROUTINE INSPECTION, THREE CRACKS WERE FOUND ON THE LT OUTBOARD NACELLE FITTING. THESE CRACKS WERE DISCOVERED ON THE INBOARD SIDE OF THE FITTING, JUST FORWARD OF THE SPAR STRAP. THE CRACKS MEASURED .088, .097, AND .155 IN LENGTH.

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