SDR ERAA082702

Service difficulty report · Hanger Assy · Bell 412

Difficulty date: November 14, 2002
Submitted: December 30, 2002
Operation: Air carrier
Aircraft: N167EH
Make and model: Bell 412
Aircraft serial: 33089
Aircraft time: 12,574 hours
System (JASC): 6510 · Tail Rotor Drive Shaft
Part: Hanger Assy
Part number: 212040600005
Part serial: A2012398
Condition: Leaking
Location: Tail Rotor
Part time: 10,773 hours
Stage of operation: IN
How discovered: V
Nature of condition: K
Precautionary procedure: K

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

What was found

GREASE LEAKING EXCESSIVELY FROM BEARING. BEARING DENTED AT GREASE SEAL. CAP RETAINER WRONG PART NUMBER. DISASSEMBLED, CLEANED, VISUALLY INSPECTED ALL PARTS AND COMPLIED WITH NDT. REASSEMBLED INSTALLING NEW BEARING, NEW SEAL, NEW CAP RETAINER, NEW TEMP PLATES AND HARDWARE. REPACKED COUPLING WITH GREASE DATED 9-20-01. OVERHAULED IAW BHT 412-CR&JO CHAPTER 65 TT 10773.0.

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