SDR 2024F00105

Service difficulty report · Skin · Cessna 680A

Difficulty date
March 30, 2024
Submitted
March 30, 2024
Operation
General aviation
Aircraft
N919QS
Make and model
Cessna 680A
Aircraft serial
680A0341
Aircraft time
1,178 hours, 783 cycles
Part
Skin
Part number
74220863
Condition
Delaminated
Location
Zone 500
Part time
1,178 hours, 783 cycles
Stage of operation
IN
How discovered
O
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

THE 7422086-3 LH WING UPPER SKIN BOND ASSEMBLY INSTALLED ON 680A-0341 ESCAPED TO THE FIELD WITH A POSSIBLE NONCONFORMING FINISH ON THE 6922462-1 STRINGER 5. TEST PANELS ASSOCIATED WITH THIS STRINGER PROCESSING BATCH FAILED THE WEDGE CRACK EXTENSION TEST. SUBSEQUENT EXAMINATION REVEALED THE BOND PRIMER DELAMINATED FROM THE PHOSPHORIC ACID ANODIZING. THE QUALITY ESCAPE WAS DOCUMENTED ON QAB2023069.

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