Service difficulty report · Fitting · Boeing 757251

Difficulty date
September 8, 2021
Submitted
September 10, 2021
Operation
Air carrier
Aircraft
N542US
Make and model
Boeing 757251
Aircraft serial
26489
Aircraft time
75,081 hours, 28,162 cycles
Part
Fitting
Condition
Cracked
Stage of operation
IN
How discovered
9
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

SHIP 5642 WHILE WORKING AA27-01030-01,FOUND CRACK ON LOWER FITTING OF ATTACHMENT LUG ON AILERON TRIM ACTUATOR BOX SUPPORT ASSY. CRACK RUNS FWD AND AFT AND IS THROUGH ENTIRE THICKNESS OF MATERIAL FOR LOWER BUSHING. CORRECTIVE ACTION: REMOVED/REPLACED SUPPORT BOX ASSY PER ERA 593859-14AD REV ORG. A. (7932585)