SDR QMLRMD7082

Service difficulty report · Support Angle · Bell 407

Difficulty date: September 14, 2010
Submitted: December 17, 2010
Operation: Air carrier
Filed by: QMLR253U
Air Methods LLC
Aircraft: N407LL
Make and model: Bell 407
Aircraft serial: 53561
Aircraft time: 4,752 hours, 9,753 cycles
Engine: Allsn 250C47B
Engine time: 3,232 hours, 7,725 cycles
System (JASC): 5310 · Fuselage Main, Structure
Part: Support Angle
Condition: Damaged
Location: Chin Window
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

RT CHIN WINDOW FRAME HAS A DEEP CREASE ON THE INBD SIDE, THE DOUBLER FOR THE EXTERNAL POWER RECEPTACLE HAS 3 EA, PUNCTURES 0.050" BELOW THE PITOT TUBE, A DEEP CREASE WHERE THE WINDOW MOUNTS, THE SUPPORT ANGLE ON THE INSIDE BELOW THE DRAIN TUBE HAS A 2.0" CRACK AND IS BENT WITH WAVES IN THE SKIN.

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