Service difficulty report · Pitch Horn · Bell 407

Difficulty date
October 23, 2001
Submitted
January 17, 2002
Operation
Air carrier
Aircraft
N687AL
Make and model
Bell 407
Aircraft serial
53366
Engine
Allsn 250C47B
Part
Pitch Horn
Part number
407012112101
Part serial
GL371
Condition
Corroded
Location
Tail Rotor
Part time
2,514 hours
Stage of operation
IN
How discovered
V
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

AFTER DISASSEMBLY, CLEANING AND STRIPPING PAINT FOR OVERHAUL. CORROSION ON ENTIRE SURFACE BEYOND LIMITS DUE TO POOR METAL QUALITY AND POOR PRIME AND PAINT. BETTER QUALITY ALUMINUM AND PAINTING PROCEDURES RECOMMENDED.

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