Service difficulty report · Fitting · Cessna 402C

Difficulty date
March 6, 2019
Submitted
March 7, 2019
Operation
Air carrier
Aircraft
N26632
Make and model
Cessna 402C
Aircraft serial
C402404
Aircraft time
34,288 hours, 33,344 cycles
Part
Fitting
Part number
529202922
Condition
Cracked
Location
Rt Nacelle
Part time
13,311 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

DURING NDT INSPECTION AS NOTED IN SID 57-10-16 A CRACK WAS IDENTIFIED ON THE RIGHT HAND INBOARD NACELLE FITTING (P/N: 5292029-22). THIS CRACK LOCATED ON THE LOWER LEG OF THE OUTBOARD SIDE OF THE FITTING MEASURES APPROXIMATELY .083" LONG AND IS CONSISTENT TO OTHER CRACKS FOUND USING THE LIGHTED BORESCOPE INSPECTION TECHNIQUE (MEL54-02R2) TO SATISFY THE REQUIREMENTS OF AD2017-10-09. THIS CRACK WAS NOT IDENTIFIED VISUALLY DUE TO LAYERS OF PRIMER PREVENTING VISUAL DISCOVERY. THIS FITTING WILL BE REMOVED AND REPLACED USING NEW PARTS.

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