Service difficulty report · Engine · Boeing 737990ER

Difficulty date
January 1, 2015
Submitted
January 2, 2015
Operation
Air carrier
Aircraft
N408AS
Make and model
Boeing 737990ER
Aircraft serial
41732
Aircraft time
8,089 hours, 2,548 cycles
Part
Engine
Condition
Vibration
Location
Nr 2
Stage of operation
IN
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

NR 2 ENGINE TREND DATA SHOWS GREATER THAN EXPECTED VIBRATION DATA SCATTER. INDICATION ERRORS ARE SUSPECTED. ACFT GROUNDED. R & R NR 2 ENG IAW MM 71-51-03. ACCOMPLISHED TEST 7 & 12 IAW MM 71-00-00-800-811-F00. ALL TEST PASSED.