Service difficulty report · Line · Boeing 777223

Difficulty date
December 2, 2019
Submitted
December 3, 2019
Operation
Air carrier
Aircraft
N755AN
Make and model
Boeing 777223
Aircraft serial
30263
Aircraft time
74,587 hours, 9,355 cycles
Part
Line
Part number
272W729023
Condition
Cracked
Location
Hyd System
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

AIRCRAFT WAS GROUNDED: HYD RETURN CENTER LINE SYS ACT CPN 272W7290-23 REF IPC 27-21-72-01, PART NUMBER 145 HAS A HARDLINE CRACK. REPLACED TUBE ASSY RETURN LINE FOR CENTER HYD SYS HYD IAW AMM 20-10-09, OPS CHECK NORMAL NO LEAKS AT THIS TIME.