Service difficulty report · Fitting · Cessna 402C

Difficulty date
August 9, 2019
Submitted
August 12, 2019
Operation
Air carrier
Aircraft
N160PB
Make and model
Cessna 402C
Aircraft serial
402C0109
Aircraft time
26,959 hours, 38,538 cycles
Part
Fitting
Part number
529202924
Condition
Cracked
Location
Nacelle
Part time
11,328 hours
Stage of operation
IN
How discovered
B
Nature of condition
O
Precautionary procedure
O

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

DURING A ROUTINE INSPECTION, TWO CRACKS WERE IDENTIFIED ON THE RIGHT HAND OUTBOARD FITTING (P/N 5292029-24.) THE FIRST CRACK WAS ON THE OUTBOARD LEG AND MEASURES APPROXIMATELY .130. THE SECOND CRACK WAS ON THE INBOARD LEG AND MEASURES APPROXIMATELY .105. BOTH CRACKS WERE DISCOVERED USING THE LIGHTED BORESCOPE INSPECTION PROCEDURE AS OUTLINED IN MEL-54-02R2 TO SATISFY AD2017-10-19. THESE CRACKS ARE CONSISTENT WITH OTHERS THAT HAVE BEEN IDENTIFIED USING THE SAME INSPECTION PROCEDURE. THIS FITTING WILL BE REPLACED WITH A FACTORY NEW PART.

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