Service difficulty report · Fitting · Cessna 402C

Difficulty date
May 5, 2020
Submitted
May 8, 2020
Operation
Air carrier
Aircraft
N375R
Make and model
Cessna 402C
Aircraft serial
C4020468
Aircraft time
30,263 hours, 38,252 cycles
Part
Fitting
Part number
529202924
Condition
Cracked
Location
Rt Nacelle
Part time
12,074 hours
Stage of operation
IN
How discovered
B
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

WHILE PERFORMING LIGHTED BORESCOPE INSPECTION PROCEDURE AS OUTLINED IN TEXTRON MEL-54-02R2 TO SATISFY AD2017-10-09, A CRACK WAS IDENTIFIED IN THE OUTBOARD RADIUS OF THE RIGHT HAND OUTBOARD NACELLE FITTING. THIS CRACK MEASURES .300 INCHES LONG AND IS CONSISTENT WITH OTHERS FOUND USING THIS TECHNIQUE. THIS FITTING HAS BEEN REMOVED AND REPLACED WITH SUPERSEDED PART NUMBER 5292029-32.

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