What was found
ETOPS SIGNIFICANT SYSTEM: NR 1 ENG VIBRATION ERRATIC FROM OFF BACK LOW TO OFF SCALE HIGH. NO VIBRATION NOTED BY CREW.
- Difficulty date
- December 17, 2011
- Submitted
- December 23, 2011
- Operation
- Air carrier
- Aircraft
- N742MA
- Make and model
- Boeing 73783N
- Aircraft serial
- 30675
- Aircraft time
- 27,625 hours, 11,330 cycles
- Engine
- Cfmint CFM567B27
- System (JASC)
- 7200 · Engine (Turbine/Turboprop)
- Part
- Engine
- Condition
- Vibration
- Location
- Nr 1
- Stage of operation
- NR
- How discovered
- O
- Nature of condition
- E
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.