SDR ALG2004F00047

Service difficulty report · Rotor · Bell 206L4

Difficulty date: August 25, 2004
Submitted: September 24, 2004
Operation: Air carrier
Aircraft: N174AL
Make and model: Bell 206L4
Aircraft serial: 52067
Engine: Allsn 250C30P
System (JASC): 6220 · Main Rotor Head
Part: Rotor
Condition: Overtorqued
Location: Main
Stage of operation: HO
How discovered: O
Nature of condition: J
Precautionary procedure: A

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

What was found

IN A HOVER, WAS AT A HOVER ABOUT TO TAKE OFF WHEN EVERYTHING STARTED SPEEDING UP, LOOKED AT THE TORQUE GAUGE AND SAW 120 PERCENT TORQUE, IMMEDIATELY LOWERED THE COLLECTIVE AND LANDED, AS LOWERED THE COLLECTIVE AND EVERYTHING RETURNED TO NORMAL. MAINTENANCE IS COMPLYING WITH A OVERTORQUE INSPECTION IAW MM.

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