Service difficulty report · Engine · Boeing 767322

Difficulty date
November 5, 2009
Submitted
February 15, 2010
Operation
Air carrier
Aircraft
N658UA
Make and model
Boeing 767322
Aircraft serial
27113
Aircraft time
73,499 hours, 12,002 cycles
Engine
Pwa PW4060
Engine time
49,959 hours, 7,221 cycles
Part
Engine
Condition
Vibration
Location
Nr 2
Stage of operation
NR
How discovered
O
Nature of condition
E
Precautionary procedure
O

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

What was found

NR 2 ENG VIBRATION. NR 2 ENG EICAS VIB READS HIGH. HIGHEST READING 35 (X.X, RANGE 0.0 TO 5.0, ABNORMAL ON 767-322 IF ABOVE 4.0). EXCESSIVE VIBRATION NOT FELT IN AIRFRAME. 3.5 IS REACHED AT 1.11EPR. AT ALL OTHER EPR SETTINGS THE VIB IS LOWER. ACPD VISUAL INSPECTION OF ENG AND CHIP DETECTORS NO DEFECTS NOTED, NO OTHER HISTORY. FAN BLADES WERE LUBED, PERFORMED HIGH POWER RUN, ALL READINGS WERE WELL WITHIN LIMITS.