Service difficulty report · Fitting · Cessna 402C

Difficulty date
February 22, 2021
Submitted
February 22, 2021
Operation
Air carrier
Aircraft
N763EA
Make and model
Cessna 402C
Aircraft serial
402C0497
Aircraft time
36,721 hours, 41,970 cycles
Part
Fitting
Part number
529202921
Condition
Cracked
Location
Lt Nacelle
Part time
15,949 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 .145 INCHES LONG ON THE INBOARD 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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