Service difficulty report · Hpc

Difficulty date
August 25, 2025
Submitted
August 25, 2025
Operation
General aviation
Aircraft
N21806
Engine
Rroyce TRENTXWB84
Engine time
7,320 hours, 3,038 cycles
Part
Hpc
Part number
PFW81410
Part serial
1081
Condition
Dented
Location
Engine
Part time
7,320 hours, 3,038 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

FOUND NUMEROUS IMPACT DAMAGE TO THE LEADING AND TRAILING EDGES OF THE BLADES ON HPC STAGE 1-3 ROTOR DISC (P/N: FW81410, S/N: 1081) WHICH EXCEEDED CIRM LIMIT AND REQUEST TV298274. THE TV298274 WAS REJECTED BY RR DUE TO THE REPORTED DAMAGE ON THE COMPONENT WAS EXTENSIVE AND CANNOT BE ACCEPTED IN THE “AS-IS” CONDITION. THERE IS NO FEASIBLE REPAIR AVAILABLE TO SALVAGE THE COMPONENT. THE HPC STAGE 1-3 ROTOR DISC (CSN: 3038.15 SDC) IS RETIRED BEFORE ITS DECLARED LIFE IN TLM (5180 SDC).