SDR 2A6D2020020700501

Service difficulty report · Longeron · Snias AS350B3

Difficulty date: February 7, 2020
Submitted: February 7, 2020
Operation: Air carrier
Filed by: 2A6R933B
Air Methods, LLC
Aircraft: N354CF
Make and model: Snias AS350B3
Aircraft serial: 4526
Aircraft time: 4,292 hours, 10,625 cycles
Engine: Tmeca ARRIEL2B1
Engine time: 4,292 hours, 10,625 cycles
System (JASC): 5313 · Fuselage Main, Longeron/Stringer
Part: Longeron
Condition: Damaged
Location: Xmsn Deck
Part time: 4,292 hours, 10,625 cycles
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

CHAFING WAS DISCOVERED ON THE LOWER FLANGE OF THE TRANSMISSION DECK LONGERON AT APPROXIMATE STA AND RBL . THE DAMAGE MEASURES APPROXIMATELY 0.006” DEEP, 0.80” LONG, AND 0.12” WIDE. Y398, X3300, Z-1863. THE TAIL ROTOR YAW CABLE HAS .007 DEEP CHAFFING ON THE CORNER OF A CHANNEL.