Service difficulty report · Wire Harness · Agusta AW139

Difficulty date
December 6, 2021
Submitted
January 6, 2022
Operation
Air carrier
Aircraft
N639WW
Make and model
Agusta AW139
Aircraft serial
41229
Aircraft time
8,116 hours, 15,176 cycles
Part
Wire Harness
Part number
305541001
Condition
Unserviceable
Part time
108 hours, 108 cycles
Component
Engine · Pwc · PT6C67C
Component part number
304537901
Stage of operation
LD
How discovered
V
Nature of condition
J
Precautionary procedure
E

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

What was found

ON SHORT FINAL #2 ITT LIMITER CAS ILLUMINATED WITH FLUCTUATING #2 ITT. SAFELY LANDED AIRCRAFT, CONFIRMED WITH QRH, CONTACTED DISPATCH AND MAINTENANCE SHUTDOWN AIRCRAFT. TROUBLESHOOTING DETERMINED POSSIBLE DEFECTIVE T5 INTERNAL HARNESS. ENGINE BEING REPLACED OFFSHORE. SUBSEQUENT DISASSEMBLY OF ENGINE AT REPAIR STATION REVELED THE T5 WIRING HARNESS P/N 3055410-01 TO BE DEFECTIVE.

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