Service difficulty report · Flap · Honda HA420

Difficulty date
February 3, 2023
Submitted
February 3, 2023
Operation
General aviation
Aircraft
N488TK
Make and model
Honda HA420
Aircraft serial
42000221
Aircraft time
135 hours, 100 cycles
Part
Flap
Part number
HJ115753280004
Part serial
LMI00151
Condition
Cracked
Location
Zone 600
Part time
135 hours, 100 cycles
Stage of operation
UK
How discovered
V
Nature of condition
Z
Precautionary procedure
K

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

What was found

DURING ROUTINE MX, NOTED THE RIGHT FLAP TRAILING EDGE UNDER THE ENGINE PYLON TO BE CRACKED AND SEPARATED ALONG THE TRAILING EDGE BEND RADIUS FOR APPROX 9" WITH 2 PROPAGATING CRACKS RUNNING FORWARD INTO THE AIRSTREAM.

More about the Honda HA-420