SDR ALGA2012051601

Service difficulty report · Hub · Bell 407

Difficulty date: May 16, 2012
Submitted: May 17, 2012
Operation: Air carrier
Aircraft: N587AL
Make and model: Bell 407
Aircraft serial: 53248
Aircraft time: 17,076 hours
System (JASC): 6220 · Main Rotor Head
Part: Hub
Part number: 407010100115
Part serial: A190
Condition: Damaged
Location: Main Rotor
Part time: 15,307 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

ONE SHEAR BEARING PN 407-310-101-101, SN LK13178 ELASTOMERIC SEPARATED FOUR FEATHER BEARINGS PN 407-310-102-101, SN'S LK3060, LK3654, LK5682, LK5644 WITH ELASTOMERIC EXTRUSION, AND ONE PITCH HORN PN 407-010-103-113, SN AZ1694. PITTING CORROSION BEYOND LIMITS.

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