Service difficulty report · Disc · Boeing 747*

Difficulty date
November 30, 2018
Submitted
November 30, 2018
Operation
General aviation
Filed by
QEMY466L
GE Aircraft Engine Services Ltd
Aircraft
N466L
Make and model
Boeing 747*
Engine
Rroyce RB211524*
Part
Disc
Part number
UL36824
Part serial
DN55923
Condition
Cracked
Location
Engine
Part time
107,157 hours, 13,947 cycles
Stage of operation
IN
How discovered
D
Nature of condition
Z
Precautionary procedure
O

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

What was found

IPC ST 6-7 DISC (UL36824 DN55923 EQUIPMENT 101935052) EXHIBITS 2X HOLES WITH CRACK INDICATIONS. THE 2X HOLES HAD BEEN ENLARGED DURING SB72-9594 EMBODIMENT. DISC IS LIFE RESTRICTED WITH 3 CYCLES AVAILABLE. SB72-9594 WAS EMBODIED AT 2005 VISIT. DISC ROUTED TO MRB FOR LIFE RESTRICTION, 3 CYCLES AVAILABLE.