Service difficulty report · Ring Assembly · Boeing 76734AF

Difficulty date
May 7, 2026
Submitted
May 20, 2026
Operation
Air carrier
Aircraft
N301UP
Make and model
Boeing 76734AF
Aircraft serial
27239
Aircraft time
73,920 hours, 25,892 cycles
Part
Ring Assembly
Part number
491B1320001039
Condition
Cracked
Location
Zone
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 CRACK EXIST ON THE AFTER CASCADE SUPPORT RING, POSITION CLOSE TO THE NO.1 CASCADE OF 1L T/R HALF. .INSTALLED NEW CASCADE SUPPORT RING I.A.W SRM 51-40-02-0G REV.95 AND ST ENGINEERING IPC 78-32-2 REV. 96 AND UPS EO-87822-REQ01L-REPL REV.2

More about the Boeing 767-34AF