SDR ALG2004F00046

Service difficulty report · Wire · Bell 407

Difficulty date: August 20, 2004
Submitted: September 24, 2004
Operation: Air carrier
Aircraft: N937AL
Make and model: Bell 407
Aircraft serial: 53383
Engine: Allsn 250C47B
System (JASC): 6397 · Main Rotor Drive System Wiring
Part: Wire
Condition: Shorted
Location: Chip Detector
Stage of operation: NR
How discovered: 9
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

ON TAKE OFF. WHILE TAKING OFF THE MAIN TRANSMISSION CHIP LIGHT CAME ON, RETURNED TO GI 59 AND LANDED. MAINTENANCE CHECKED CHIP DETECTOR SYSTEM FOUND NO MENTAL, DID FIND UPPER CHIP DETECTOR HAD BROKEN WIRES SHORTING OUT, REPAIRED BROKEN WIRES TESTED GOOD.

More about the Bell 407