Service difficulty report · Unknown · Boeing 767306

Difficulty date
March 25, 2019
Submitted
March 28, 2019
Operation
Air carrier
Aircraft
N1399A
Make and model
Boeing 767306
Aircraft serial
27959
Aircraft time
88,542 hours, 16,724 cycles
Part
Unknown
Condition
Vibration
Location
Nr 1 Engine
Stage of operation
CR
How discovered
O
Nature of condition
E
Precautionary procedure
K

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

What was found

INFO TO MX, DURING PERIODS OF HIGH THRUST LEFT ENG FAN VIB INDICATED A VALUE OF 3.4 ABD A/C HAD NOTICABLE AIRFRAME VIBRATION.(<P>ACCOMPLISHED INSPECTION OF #1 ENGINE. NO DEFECTS NOTED AT THIS TIME IAW AMM 71-00-00-935-230.<BR /></P>)