SDR ERAA094443

Service difficulty report · Mast · Bell 412

Difficulty date
September 17, 2003
Submitted
May 10, 2004
Operation
Air carrier
Aircraft
N419EH
Make and model
Bell 412
Aircraft time
15,648 hours
Part
Mast
Part number
412040366105
Part serial
A900013
Condition
Making Metal
Location
Main Rotor
Part time
16,434 hours
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

TRANSMISSION MAKING METAL ACTION TAKEN: DISASSEMBLED, CLEANED AND VISUALLY INSPECTED ALL PARTS AND BEARINGS FOR METAL CONTAMINATION. INSPECTED AND REASSEMBLED IAW 412 CR AND O CHAPTER 63, T.B. 412-96-137 AND T.B. 412-98-150 INSTALLING NEW MAST POLE, NEW BEARING RETENTION NUT, NEW LOWER RACE, NEW NUT, NEW SEAL AND O RING AND NEW WEAR SLEEVE. COMPLIED WITH T.B.412-96-137 AND T.B. 412-98-150.

More about the Bell 412