Service difficulty report · Support Fitting · Dhav DHC2MKI

Difficulty date
January 2, 2013
Submitted
September 14, 2015
Operation
General aviation
Make and model
Dhav DHC2MKI
Aircraft time
12,185 hours
Engine
Pwa R98539A
Propeller
Hartzl HCB3R304
Part
Support Fitting
Part number
901230601
Condition
Cracked
Location
Float
Stage of operation
IN
How discovered
9
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

(CAN) THIS RT FLOAT MODEL EDO 679-4930, SN: TB492, FOUND TO HAVE THE AFT SPREADER BAR SUPPORT FITTING, PN: 901-23060-1 DAMAGE, CRACKED. APPEARING TO BE THE RESULT OF INTER-GRANULAR CORROSION. THIS CRACKED FITTING, PN: 901-23060-1, WAS REPLACED WITH A NEW UNIT AND THE FLOAT REASSEMBLED AND RETURNED TO SERVICE. THIS AREA OF THE FITTING IS DIFFICULT TO VISUALLY INSPECT UNLESS THE SPREADER BAR IS REMOVED FROM THE FLOAT BARREL. THIS AREA WAS LAST INSPECTED JUNE/2004, AND HAD ACCUMULATED 2342 HOURS IN-SERVICES SINCE THIS LAST VISUAL INSPECTION.