Service difficulty report · Duct · Snias AS350B2

Difficulty date
February 15, 2007
Submitted
February 16, 2007
Operation
Air carrier
Aircraft
N123LN
Make and model
Snias AS350B2
Aircraft serial
4115
Aircraft time
34 hours
Engine
Tmeca ARRIEL1D1
Part
Duct
Part number
350A72072001
Condition
Ruptured
Part time
34 hours
Stage of operation
NR
How discovered
O
Nature of condition
B
Precautionary procedure
A

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

What was found

AT 1920, THERE WAS A NOISE, WHICH SOUNDED LIKE A (POP) AND A SLIGHT ODOR OF SOMETHING GETTING HOT. IT SHOULD BE NOTED HERE THAT THE CABIN HEAT WAS ON HIGH, AND HAVE SMELLED SMELLS LIKE THAT BEFORE. IN OTHER WORDS, THE ODOR WAS NOT ENTIRELY UNCOMMON. LOOKED OVER LT SHOULDER OUT THE LT SLIDING DOOR WINDOW. SAW LIGHTS ON THE HORIZON, BUT IT APPEARED AS IF SEEING THEM THROUGH SMOKE. THIS, OF COURSE, GOT IMMEDIATE ATTENTION AND WAS THE REASON FOR THE PRECAUTIONARY LANDING. AT THAT POINT, THOUGHT THERE WAS A FIRE IN THE ENGINE OR TRANSMISSION, ALTHOUGH THERE WERE NO OTHER INDICATIONS OF FIRE.