What was found
LEFT ENGINE SURGES. NOTICEABLE ENGINE VIBRATION DESCENDING THRU FL180. LEFT ENGINE VIBRATION 2.4, RIGHT ENGINE VIBRATION .5. REPLACED LT ENGINE.
- Difficulty date
- January 29, 2013
- Submitted
- February 15, 2013
- Operation
- Air carrier
- Aircraft
- N781UA
- Make and model
- Boeing 777222
- Aircraft serial
- 26945
- Aircraft time
- 67,984 hours, 11,856 cycles
- Engine
- Pwa PW4077
- Engine time
- 61,649 hours, 11,221 cycles
- System (JASC)
- 7200 · Engine (Turbine/Turboprop)
- Part
- Engine
- Condition
- Surges
- Location
- Left
- Stage of operation
- CR
- How discovered
- O
- Nature of condition
- E, R
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.