Service difficulty report · Stop · Aviat A1A

Difficulty date
July 24, 2002
Submitted
August 8, 2002
Operation
General aviation
Aircraft
N96186
Make and model
Aviat A1A
Aircraft serial
1186
Engine
Lyc O360C1G
Part
Stop
Part number
35128001
Condition
Cracked
Location
Te Flaps
Part time
4,048 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 FLAP HANDLE REPLACEMENT, THE FLAP SETTING STOP ASSY WAS REMOVED AND A CRACK WAS FOUND IN THE FULL FLAP NOTCH AND FAILURE OF THE ASSY WAS FORTHCOMING. THIS SAME STOP ASSY HAD BEEN REMOVED 128.7 HOURS EARLIER FOR FLAP SYSTEM INSPECTION AND NO CRACK WAS PRESENT AT THAT TIME. THIS WOULD BE THE SECOND FLAP STOP ASSY FAILURE DUE TO CRACKING FOUND BY THIS SHOP.

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