Service difficulty report · Beam · Cessna 402C

Difficulty date
September 14, 2018
Submitted
September 14, 2018
Operation
Air carrier
Aircraft
N88833
Make and model
Cessna 402C
Aircraft serial
402C0265
Aircraft time
33,833 hours, 41,243 cycles
Part
Beam
Part number
56541096
Condition
Cracked
Location
Lt Nacelle
Part time
33,833 hours, 41,243 cycles
Stage of operation
IN
How discovered
E
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 NDT TESTING DONE TO SATISFY AD 2015-07-03, A CRACK WAS DISCOVERED ON THE LEFT NACELLE INBOARD ENGINE BEAM P/N: 5654109-6. THIS CRACK IS TRAVELING LEFT TO RIGHT ACROSS THE TOP OF THE BEAM ORIGINATING FROM A FASTENER HOLE ON THE TOP OF THE BEAM TRAVELLING TOWARD THE UPPER OUTBOARD RADIUS. THIS BEAM ASSEMBLY WILL BE REMOVED AND REPLACED WITH A NEW ASSEMBLY. PICTURES AND MEASUREMENTS HAVE BEEN ATTACHED TO THIS SDR.

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