Service difficulty report · Compressor

Difficulty date
August 19, 2026
Submitted
August 19, 2026
Operation
General aviation
Engine
Rroyce RB211TRENT77
Engine time
30,993 hours, 5,992 cycles
Part
Compressor
Part number
M03100393
Part serial
DC1246
Condition
Fod
Location
Engine
Part time
30,993 hours, 5,992 cycles
Stage of operation
IN
How discovered
V
Nature of condition
C
Precautionary procedure
K

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

What was found

ESN 42642 WAS INDUCTED FOR ITS FIRST SHOP VISIT (FIRST REFURBISHMENT). FOLLOWING REMOVAL OF THE HP SYSTEM MODULE AND DURING THE INITIAL INTERFACE INSPECTION OF THE MODULE 33 REAR FACE, A FOREIGN OBJECT WAS IDENTIFIED AT THE LP/IP OIL DISTRIBUTOR AREA. BASED ON THE INITIAL ASSESSMENT, THE OBJECT DOES NOT APPEAR TO BE AN ENGINE COMPONENT AND IS SUSPECTED TO BE A BROKEN FRAGMENT OF A MECHANICAL GRIPPING TOOL; HOWEVER, ITS EXACT SOURCE AND ORIGIN HAVE NOT YET BEEN DETERMINED. PLEASE REFER TO THE ATTACHED PHOTOGRAPHS BELOW