Service difficulty report · Engine

Difficulty date
February 25, 2025
Submitted
February 25, 2025
Operation
General aviation
Engine
Rroyce RB211TRENT76
Part
Engine
Condition
Damaged
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

ROLLS-ROYCE, TRENT 700 ENGINE (SERIAL NUMBER 41302), FAN CASE ABNORMAL FINDINGS DURING THE DISASSEMBLY. AFTER THE REMOVAL OF THE FRONT FAN CASE ACOUSTIC PANELS DURING THE DISASSEMBLY TO ACCOMPLISH SB 72- AK803, THE FOLLOWING WERE FOUND: CLECO FASTENER (FOD) FOUND STUCK BETWEEN THE PANEL'S BRACKET AT THE BDC POSITION OF THE FAN CASE. 2) QTY.2 OFF PIECES OF BROKEN MOUNTING BRACKET PNO.FW20663 WERE ALSO FOUND AT THE REMOVED PANEL AREAS. WHEN & WERE WAS THE PROBLEM DETECTED: 21-FEB-2025 AT SANAD, DURING DISASSEMBLY. HOW WAS THE PROBLEM DETECTED: FRONT FAN CASE ACOUSTIC PANELS REMOVED TO PROVIDE ACCESS FOR ACCOMPLISHMENT OF SB 72-AK803 AND FINDINGS WHERE DETECTED (OBVIOUS) AFTER THE REMOVAL OF THE PANELS FROM THE FAN CASE.