Service difficulty report · Engine · Bell 407

Difficulty date
August 15, 2013
Submitted
August 19, 2013
Operation
Air carrier
Aircraft
N407LN
Make and model
Bell 407
Aircraft serial
53181
Aircraft time
8,725 hours, 25,654 cycles
Engine
Allsn 250C47B
Engine time
8,520 hours, 19,654 cycles
Part
Engine
Condition
Making Metal
Stage of operation
NR
How discovered
V
Nature of condition
O
Precautionary procedure
O

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

What was found

WHILE PERFORMING 25 HOUR INSPECTION OF ENGINE MAGNETIC CHIP DETECTORS IAW EO 13-7900-EO-432 IAW CEB-A-72-6075, REV 1. METAL FLAKES CONSISTING OF MORE THAN 10 PIECES EACH WERE DISCOVERED ON BOTH UPPER AND LOWER CHIP DETECTORS. ACFT WAS GROUNDED AT THAT TIME AND A NEW ENGINE ORDERED.

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