SDR QMLRMD7081

Service difficulty report · Seat Frame · Bell 407

Difficulty date
September 16, 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
3,452 hours, 9,753 cycles
Engine
Allsn 250C47B
Engine time
3,232 hours, 7,725 cycles
Part
Seat Frame
Condition
Chafed
Location
Cockpit
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

THE 3 CREW SEAT BACK FRAMES EACH HAVE 2 CROSS TUBES EACH OF WHICH THE TUBE WALL THICKNESS HAS BEEN REDUCED BY ABRAISON AGAINST MATING ACFT STRUCTURE. EACH AREA OF ABRASION VAIRIES IN WIDTH FROM APPROX 2 TO 3 INCHES WIDE.

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