SDR 99ZZZX764

Service difficulty report · Blade · Amtr MINI500

Difficulty date
January 20, 1998
Submitted
March 26, 2000
Operation
General aviation
Aircraft
N249F
Make and model
Amtr MINI500
Aircraft serial
402B
Part
Blade
Part number
BA29
Condition
Mismanufactured
Location
Tail Rotor
Stage of operation
IN
Nature of condition
W
Precautionary procedure
K

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

What was found

BUILDER'S MANUAL INDICATES THAT THE PRE-CONE ANGLE SHOULD BE 2 DEGREES. THE SUPPLIED BLADES WERE AT .25 DEGREES AND 1.1. DEGREES. ADDITIONAL TAIL ROTOR BLADES WERE PURCHASED, BUT THEY WERE ALSO OUT OF SPEC. SUBMITTER SUGGESTED ALL TAIL ROTOR BLADES SHOULD BE INSPECTED FOR CONFORMITY AND REPAIRS AND SHIMMING MUST BE ACCOMPLISHED TO CORRECT THE DEFECT IN MANUFACTURE.