SDR ALGA2012042702

Service difficulty report · Frahm · Bell 407

Difficulty date: April 27, 2012
Submitted: May 1, 2012
Operation: Air carrier
Aircraft: N587AL
Make and model: Bell 407
Aircraft serial: 53248
Aircraft time: 16,926 hours
System (JASC): 6220 · Main Rotor Head
Part: Frahm
Part number: 407010150109
Part serial: A496
Condition: Multiple Fail
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

DURING COURSE OF REPAIR TO FRAHM DAMPER FOUND STOP ASSY, (407-010-165-103), & HOUSING, (407-010-152-109) DESTROYED. SEVEN SPRINGS (407-310-104-105) GOUGED. ONE SPRING (407-310-104-105) BROKEN. ONE PLUG (407-010-155-109) GOUGED. TWO SPRING SEATS, (407-010-173-105) GOUGED. ONE RADIAL STOP, (407-310-107-101) GOUGED. AND WEIGHTS, (407-010-161-101) GOUGED BEYOND LIMITS.

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