Service difficulty report · Engine · Aerosp AS355F1

Difficulty date
June 26, 2025
Submitted
July 2, 2025
Operation
Air carrier
Aircraft
N355TH
Make and model
Aerosp AS355F1
Aircraft serial
5111
Aircraft time
29,453 hours, 30,578 cycles
Engine
Allsn 250C20F
Engine time
13,129 hours, 16,757 cycles
Part
Engine
Part number
250250F
Part serial
CAE84007
Condition
Making Metal
Location
Zone 200
Part time
13,129 hours, 16,757 cycles
Component
Compressor · Allsn · C20F
Component part number
6890550
Stage of operation
CR
How discovered
V
Nature of condition
J
Precautionary procedure
A

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

What was found

#1 ENGINE CHIP LIGHT ILLUMINATED DURING FLIGHT. PILOT LANDED AT FIRST SAFEST SPOT AT SOUTHWEST WYOMING REGIONAL AIRPORT WITH NO INCIDENT. GROUNDED AC. SENT MECHANIC OUT AND FOUND CHIPS ON UPPER MAG. PLUG ON GEARBOX

More about the Aerosp AS 355F1