SDR HYIA20180605001

Service difficulty report · Spar Cap · Cessna 402C

Difficulty date: June 1, 2018
Submitted: June 5, 2018
Operation: Air carrier
Aircraft: N1361G
Make and model: Cessna 402C
Aircraft serial: 402C0270
Aircraft time: 34,151 hours, 31,598 cycles
System (JASC): 5711 · Wing Spar
Part: Spar Cap
Part number: 512204123
Condition: Corroded
Location: Lt Wing
Part time: 8,440 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

CORROSION WAS DISCOVERED ON THE LT AFT LOWER OUTBOARD SPAR CAP WS 221.71 ON THE FORWARD SIDE OF THE CAP, INSIDE THE FUEL TANK, NEAR THE RADIUS. THE CORRODED AREA MEASURED .075 TALL, .243 IN WIDTH, AND .063 IN DEPTH. OUT OF LIMITS IAW MEB 95-11, R1, SECTION 3, THE SPAR CAP WAS REPLACED.

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