SDR 98ZZZX2119

Service difficulty report · Skin · Cessna 421C

Difficulty date
May 26, 1998
Submitted
March 26, 2000
Operation
General aviation
Aircraft
N104TP
Make and model
Cessna 421C
Aircraft serial
421C0635
System (JASC)
5751 · Ailerons
Part
Skin
Part number
5124000200
Condition
Debonded
Location
Lt/Rt Ail
Part time
4,463 hours
Stage of operation
IN
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 CESSNA PROGRESSIVE CARE INSPECTION, NR 3, NR 4, FOUND STIFFENERS IN BOTH AILERONS. DEBONDED AND AILERON SKIN LOOSE. NO REPAIR POSSIBLE BECAUSE OF NO ACCESS DUE TO SKIN BEING BONDED TO RIBS. EXHANGE OVERHAULED AILERONS WERE INSTALLED DUE TO THE FACT THERE WERE NO APPROVED REPAIRS TO THESE BONDED STRUCTURES. ALSO, NEW AILERONS WERE HARD TO OBTAIN FACTORY STATIC BALANCE WHEN PAINTED.

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