Service difficulty report · Monitor · Boeing 767322

Difficulty date
May 24, 2009
Submitted
May 27, 2009
Operation
Air carrier
Aircraft
N642UA
Make and model
Boeing 767322
Aircraft serial
25092
Aircraft time
78,180 hours, 12,608 cycles
Engine
Pwa PW4060
Part
Monitor
Part number
6672M852
Part serial
98
Condition
Faulty
Location
Nr 1 Engine
Stage of operation
CL
How discovered
O
Nature of condition
N
Precautionary procedure
O

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

What was found

NR 1 ENG EICAS VIB READS HIGH. HIGHEST READING 47 (X.X, RANGE 0.0 TO 5.0, ABNORMAL ON 767-322 IF ABOVE 4.0). EXCESSIVE VIBRATION NOT FELT IN AIRFRAME. CREW COMMENTS: L ENG VIB 4.7 IN CLIMB FOR SEVERAL SECONDS. NO VIB FELT. REPLACED AVM CONDITIONER AND OPS CHECK. VIBRATIONS ON NR 1 ENG WELL WITHIN LIMITS OF MM.