Service difficulty report · Fitting · Cessna 402C

Difficulty date
April 7, 2021
Submitted
April 7, 2021
Operation
Air carrier
Aircraft
N406GA
Make and model
Cessna 402C
Aircraft serial
402C0329
Aircraft time
39,382 hours, 39,896 cycles
Part
Fitting
Part number
529202921
Condition
Cracked
Location
Lt Nacelle
Part time
18,073 hours
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 INSPECTION AS NOTED IN SID 57-10-16, A CRACK WAS DISCOVERED ON THE LEFT HAND INBOARD NACELLE FITTING. (P/N: 5292029-21) THIS CRACK MEASURES APPROXIMATELY .095 INCHES LONG ON THE OUTBOARD LOWER LEG OF THE FITTING, AND IS CONSISTENT WITH OTHER CRACKS FOUND USING THE LIGHTED BORESCOPE INSPECTION TECHNIQUE (TEXTRON MEL54-02R2) TO SATISFY REQUIREMENT OF AD2017-10-09. THIS FITTING WILL BE REPLACED USING NEW PARTS.

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