Service difficulty report · Blades · Robsin R44RAVENII

Difficulty date
December 14, 2018
Submitted
December 14, 2018
Operation
General aviation
Make and model
Robsin R44RAVENII
Aircraft serial
11887
Aircraft time
8,888 hours
Part
Blades
Part number
C0167
Part serial
8048
Condition
Corroded
Location
Main Rotor
Part time
644 hours, 644 cycles
Stage of operation
NR
How discovered
9
Nature of condition
O
Precautionary procedure
O

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

What was found

DURING THE EXECUTION OF THE 100FH / IAM INSPECTION OF SAID AIRCRAFT, THE MECHANIC OBSERVED THAT THERE WAS A BUBBLE LOCATED NEAR THE LEADING EDGE OF THE MAIN ROTOR BLADE OF PN C016-7 AND SN 8048 WITH 64H SINCE NEW.....THIS PROBLEM IS OCCURRING WITH SEVERAL BLADES OF R44 AND R22, DEBONDING SKIN PUTTING THE LIVES OF SEVERAL PEOPLE AT RISK. THE MANUFACTURER SAYS THAT IT HAS SOLVED THIS PROBLEM, BUT EVEN WITH NEW MODEL BLADES THE SAME PROBLEM OCCURS. THIS BLADE PROBLEM I AM REPORTING HAS HAD CORROSION WITH 64H SINCE NEW .... HOW CAN THIS HAPPEN? HOW LONG WILL THE FAA ALLOW ROBINSON TO PUT PEOPLE'S LIVES AT RISK WITH THIS TYPE OF EQUIPMENT? IN LESS THAN 30 DAYS HERE IN BRAZIL I HAVE RECEIVED INFORMATIN OF 2 SKIN DEBONDING BLADES..... WE NEED A SOLUTION FAST....