- Difficulty date
- June 26, 2019
- Submitted
- July 3, 2019
- Operation
- Air carrier
- Make and model
- Boeing 7673Y0
- Aircraft serial
- 26207
- Aircraft time
- 79,466 hours, 21,277 cycles
- Engine
- Ge CF680C2B7F
- Part
- Monitor
- Part number
- 6672M805
- Part serial
- AJ60
- Condition
- Malfunctioned
- Location
- Lt Eng Vibration
- Stage of operation
- DE
- How discovered
- 9
- Nature of condition
- O
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LEFT ENGINE VIBRATION, 5.0 AT IDLE DESCENT. REMOVED AND REPLACED AVM IAW AMM 77-31-03 CONDITIONER SELF TESTED GOOD. PERFORMED ENGINE VIBRATION SURVEY TEST 6 IAW AMM 71-00-00 (AFTER EVM REPLACEMENT). OPS CHECKED GOOD. FAN 0.8 - LPT - 0.1 - N2 - 1.08. ALL WITHIN LIMITS IAW AMM.