Service difficulty report · Fitting · Cessna 402C

Difficulty date
May 7, 2020
Submitted
May 8, 2020
Operation
Air carrier
Aircraft
N120PC
Make and model
Cessna 402C
Aircraft serial
C4020079
Aircraft time
33,725 hours, 34,943 cycles
Part
Fitting
Part number
529202924
Condition
Corroded
Location
Rt Nacelle
Part time
5,083 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 BOROSCOPE INSPECTION PROCEDURE AS OUTLINED IN TEXTRON MEL-54-02R2 TO SATISFY AD2017-10-09, A SPOT OF CORROSION WAS IDENTIFIED ON THE RIGHT HAND OUTBOARD NACELLE FITTING (P/N: 5292029-24). THIS CORROSION IS LOCATED ON THE BOTTOM OF THE UPPER FACE OF THE FITTING NEAR ONE OF THE AFT FASTENERS, AND MEASURES APPROXIMATELY, .391 INCHES LONG AND, .527 INCHES WIDE. NO OTHER DEFECTS WERE NOTED WITH THE FITTING. THIS FITTING WILL BE REPLACED USING SUPERSEDED P/N: 5292029-32.

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