SDR HYIA20180827002

Service difficulty report · Fitting · Cessna 402C

Difficulty date: August 27, 2018
Submitted: August 27, 2018
Operation: Air carrier
Aircraft: N740CA
Make and model: Cessna 402C
Aircraft serial: 402C0277
Aircraft time: 26,093 hours, 9,179 cycles
System (JASC): 5415 · Nacelle/Pylon, Attach Fittings
Part: Fitting
Part number: 529202924
Condition: Corroded
Location: Rt Nacelle
Part time: 5,992 hours
Stage of operation: IN
How discovered: 9
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 MAINTENANCE, CORROSION WAS FOUND ON THE UPPER SURFACE OF THE RIGHT NACELLE OUTBOARD FITTING, AROUND THE FASTENER HOLES OF THE TOP FORWARD FACE OF THE FITTING, JUST FORWARD OF THE FIREWALL. THE DEPTH OF THIS CORROSION IS .019 IN. THE FITTING WAS REPLACED.

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