SDR ASMF201511005

Service difficulty report · Unknown · Boeing 737752

Difficulty date: November 3, 2015
Submitted: November 25, 2015
Operation: Air carrier
Aircraft: N788XA
Make and model: Boeing 737752
Aircraft serial: 33788
Aircraft time: 40,132 hours, 20,061 cycles
Engine: Cfmint CFM567B22
System (JASC): 7731 · Engine Ignition Analyzer
Part: Unknown
Condition: Vibration
Location: Lt Engine
Part time: 37,097 hours, 17,526 cycles
Stage of operation: CL
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

CAPTAIN REPORTED THAT DURING CLIMB, THE LT ENG VIBRATION REACHED 4.2 UNITS. PERFORMED FIM 71-05 TASK 808 PROCEDURE, NO DAMAGES WERE FOUND, TESTED CORRECT. AS PRECAUTIONARY ACTION, REPLACED THE VIBRATION MONITOR IAW AMM 77-31-03-401 & TRIM BALANCE WAS PERFORMED IAW AMM 71-00-00 TASK 71-00-00-750-803, TESTED CORRECT.

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