Service difficulty report · Fitting · Cessna 402C

Difficulty date
October 11, 2019
Submitted
October 11, 2019
Operation
Air carrier
Aircraft
N121PB
Make and model
Cessna 402C
Aircraft serial
C4020507
Aircraft time
37,972 hours, 40,313 cycles
Part
Fitting
Part number
529202924
Condition
Cracked
Location
Rt Nacelle
Part time
5,551 hours
Stage of operation
IN
How discovered
V
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 A CRACK WAS IDENTIFIED ON THE INBOARD LEG OF THE RIGHT HAND OUTBOARD NACELLE FITTING, (P/N: 5292029-24) THIS CRACK MEASURES APPROXIMATELY .020 INCHES LONG AND WAS DISCOVERED USING THE LIGHTED BORESCOPE INSPECTION PROCEDURE AS OUTLINED IN TEXTRON MEL-54-02R2 TO SATISFY AD2017-10-09. THIS CRACK IS CONSISTENT WITH OTHERS THAT HAVE BEEN IDENTIFIED USING THE SAME INSPECTION PROCEDURE. THIS FITTING WILL BE REPLACED USING NEW PARTS.

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